Space Exploration News

Martian moon Phobos. Image credit: NASA / JPL-Caltech / University of Arizona.

Martian Moon Phobos Got Its Strange Grooves from Rolling Boulders

Nov 22, 2018 by News Staff

New research from Brown University reinforces the idea that grooves crisscrossing the surface of Phobos, the larger of the two Martian moons, were made...

The four MMS spacecraft -- shown here in an artist’s concept -- have made more than 4,000 trips through the boundaries of Earth’s magnetic field. Image credit: NASA / Goddard / Conceptual Image Lab.

NASA’s MMS Mission Maps Magnetic Reconnection in Earth’s Magnetotail

Nov 20, 2018 by News Staff

NASA’s Magnetospheric Multiscale (MMS) mission consists of four identical spacecraft that orbit around Earth through the dynamic magnetic system surrounding...

Jezero Crater, one of the paleolakes examined in the study, is a paleolake and potential landing site for NASA’s Mars 2020 rover mission to look for past life; the outlet canyon carved by overflow flooding is visible in the upper right side of the crater; ancient rivers carved the inlets on the left side of the crater. Image credit: NASA / Tim Goudge.

Massive Floods Created Huge Canyons near Ancient Martian Lakes

Nov 19, 2018 by News Staff

From studying rock formations from satellite images, planetary researchers know that hundreds of craters across the Martian surface were once filled with...

This image captured by NASA’s Juno orbiter shows a multitude of magnificent, swirling clouds in Jupiter’s North North Temperate Belt. The image was taken at 4:58 p.m. EDT on October 29, 2018 (1:58 p.m. PDT) as the spacecraft performed its 16th close flyby of Jupiter. At the time, Juno was about 4,400 miles (7,000 km) from the planet’s cloud tops, at a latitude of approximately 40 degrees north. Image credit: NASA / JPL-Caltech / SwRI / MSSS / Gerald Eichstaedt / Sean Doran.

Juno Takes Closer Look at Jupiter’s Magnificent, Swirling Clouds

Nov 13, 2018 by News Staff

NASA’s Juno spacecraft made its 16th close science flyby of Jupiter on October 29, 2018 and captured stunning images of the gas giant. This image captured...

Photograph of the 5,000th sunrise over Mars captured by NASA’s Opportunity rover. Image credit: NASA.

Researchers Capture Sound of Martian Sunrise

Nov 9, 2018 by News Staff

A team of researchers from Anglia Ruskin University and the University of Exeter, UK, has created the soundtrack of the Martian sunrise captured by NASA’s...

NASA’s Parker Solar Probe approaching the Sun. Image credit: NASA’s Scientific Visualization Studio.

Parker Solar Probe Makes Its First Close Approach to the Sun

Nov 8, 2018 by News Staff

On November 5, 2018, NASA’s Parker Solar Probe achieved its first perihelion — its first close approach to the Sun — and flew within 15 million...

Three waves can be seen in this image, which is an excerpt of a JunoCam image taken on February 2, 2017, during Juno’s fourth flyby of Jupiter. The region imaged in this picture is part of the visibly dark band just north of Jupiter’s equator known as the North Equatorial Belt. Most of this belt is characterized by downwelling motions, but during the fourth flyby it had several bright areas of upwelling clouds. One of those upwelling clouds appears to be accompanied by dark regions, which are most likely shadows. The shadow associated with the center of the three waves is about 25 miles (40 km) long; from the angle of illumination, researchers deduced that the shadowed part of the wave must be around 4 miles (7 km) above the main cloud deck, with the peak of the wave probably close to 6 miles (10 km) above the main cloud deck. Image credit: NASA / JPL-Caltech / SwRI / MSSS / JunoCam.

Juno Spots ‘Waves Trains’ in Jovian Atmosphere

Nov 6, 2018 by News Staff

NASA’s Juno orbiter has detected ‘wave trains’ — massive structures of moving air that appear like waves — in the atmosphere of Jupiter. Three...

This artist’s concept shows NASA’s Dawn spacecraft arriving at Ceres. Image credit: NASA / JPL-Caltech.

NASA’s Dawn Mission Ends as Spacecraft Runs Out of Fuel

Nov 2, 2018 by News Staff

NASA declares Dawn, a mission to the two largest bodies in the Solar System’s main asteroid belt, Vesta and Ceres, over after the spacecraft depletes...

This mosaic of images from the MDIS Narrow Angle Camera on NASA’s MESSENGER spacecraft shows the impact crater Hokusai, located on Mercury at a latitude of 58°N. The crater has an impressive system of rays, which extend as much as a thousand kilometers (more than 600 miles) across the planet and are the longest that have yet been identified on Mercury. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Carnegie Institution of Washington.

The Great Wave that Brought Water to Mercury

Nov 1, 2018 by James Romero

The impact that formed Mercury’s spectacular 100-km (62-mile) wide Hokusai crater, named after the famous Japanese artist, who created the Great Wave...

The white, elongated cloud in the vicinity of the Arsia Mons volcano, close to the planet’s equator. Image credit: ESA / GCP / UPV / EHU Bilbao / CC BY-SA 3.0 IGO.

ESA’s Mars Express Orbiter Spots Elongated Cloud in Martian Atmosphere

Oct 29, 2018 by News Staff

Since September 13, 2018, ESA’s Mars Express spacecraft has been observing the evolution of a water ice cloud formation hovering in the vicinity of Arsia...

Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective, a view similar to that which one would see from a spacecraft. The distance is 1,550 miles (2,500 km) from the surface of the planet. The mosaic is composed of 102 Viking Orbiter images of Mars. The center of the scene shows the entire Valles Marineris canyon system, over 1,240 miles (2,000 km) long and up to 5 miles (8 km) deep, extending form Noctis Labyrinthus, the arcuate system of graben to the west, to the chaotic terrain to the east. Many huge ancient river channels begin from the chaotic terrain from north-central canyons and run north. The three Tharsis volcanoes (dark red spots), each about 15.5 miles (25 km) high, are visible to the west. South of Valles Marineris is very ancient terrain covered by many impact craters. Image credit: NASA / JPL-Caltech.

Salty, Oxygenated Water on Mars Could Host Simple Aerobic Life

Oct 23, 2018 by News Staff

Caltech researcher Vlada Stamenković and co-authors calculated that if liquid water exists on the Red Planet, it could contain more oxygen than previously...

European-Japanese BepiColombo Spacecraft is on Its Way to Mercury

Oct 23, 2018 by News Staff

BepiColombo, a joint endeavor between the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA), blasted off from Europe’s Spaceport...

An artist’s impression of MASCOT during landing. Image credit: DLR.

Asteroid Lander MASCOT Completes Exploration of Ryugu

Oct 12, 2018 by News Staff

The Mobile Asteroid Surface Scout (MASCOT), a lander carried by JAXA’s Hayabusa-2 spacecraft, successfully completed its historic exploration of the...

Ganymede, larger than even Mercury and Pluto, has an icy surface speckled with bright young craters overlying a mixture of older, darker, more cratered terrain laced with grooves and ridges; the large circular feature on the upper right, called Galileo Regio, is an ancient region of unknown origin; Ganymede is thought to have an ocean layer that contains more water than Earth and might contain life; like Earth’s Moon, Ganymede keeps the same face towards its central planet, in this case Jupiter; this image was taken about 20 years ago by NASA’s Galileo probe, which ended its mission by diving into Jupiter’s atmosphere in 2003; currently, NASA’s Juno spacecraft orbits Jupiter and is studying the giant planet’s internal structure, among many other attributes. Image credit: NASA / JPL / Galileo probe.

Planetary Researchers Find Evidence of Ancient Strike-Slip Tectonics on Ganymede

Oct 12, 2018 by News Staff

A new study, published in the journal Icarus, reveals Ganymede — the largest and most massive moon of Jupiter and in the Solar System — appears...

NASA’s Cassini spacecraft in orbit around Saturn. Image credit: NASA / JPL-Caltech.

New Science Results from Cassini’s Grand Finale

Oct 11, 2018 by News Staff

Cassini’s 20-year mission culminated in a series of wild orbits. First, it grazed the outer rim of Saturn’s rings and then, in the Grand Finale phase,...

Terrestrial penitentes from the southern end of the Chajnantor plain, Chile, in 2005; the view is broadly northwards; blades can be seen perpendicular to the viewing direction. Image credit: ESO.

50-Foot-Tall Ice Spikes Cover Europa, New Study Suggests

Oct 9, 2018 by News Staff

Fields of sharp ice growing to almost 50 feet (15 m) tall could be scattered across the equatorial regions of Jupiter’s moon Europa, according to a new...

This image shows the position of NASA’s Voyager 1 and Voyager 2 probes, relative to the heliosphere. Image credit: NASA / JPL-Caltech.

NASA’s Voyager 2 Probe About to Leave Solar System

Oct 8, 2018 by News Staff

NASA’s Voyager 2 spacecraft has detected an increase in cosmic rays that originate outside the Solar System. Currently, the probe is approximately 11...

Phosphates were found to be generated in outer space and delivered to early Earth by meteorites or comets. Image credit: NASA / JPL-Caltech.

Phosphates, Key Building Blocks for Life, May Have Come from Deep Space

Oct 3, 2018 by News Staff

An international team of researchers from the United States, Taiwan and France provides new evidence that phosphates — a key element in the building...

Phobos May Have Come from Massive Impact on Mars

Sep 26, 2018 by News Staff

The Martian moons Phobos and Deimos have been suggested to be captured asteroids based on the similarities between the dark, red, nearly featureless spectra...