Space Exploration News

Yellow crystals of elemental sulfur on Mars. Image credit: NASA.

Curiosity Finds Pure Sulfur on Mars

Jul 22, 2024 by News Staff

Yellow crystals of elemental sulfur were revealed after NASA’s Curiosity rover happened to drive over a rock and crack it open on May 30, 2024, according...

The surface of Europa looms large in this newly-reprocessed color view; image scale is 1.6 km per pixel; north on Europa is at right. Image credit: NASA / JPL-Caltech / SETI Institute.

Study: Biological Amino Acids Could Survive in Near-Surface Ices of Europa and Enceladus

Jul 18, 2024 by News Staff

Europa and Enceladus are key targets to search for evidence of alien life in our Solar System. However, the surface and shallow subsurface of these airless...

An artist’s impression of HD 213885b and its host star. Image credit: Sci-News.com.

Astronomers Propose New Definition of Planet

Jul 18, 2024 by News Staff

Established in 2006 by the International Astronomical Union, the current definition specifies that to qualify as a planet, a celestial body must orbit...

An artistic rendering of Kraken Mare, a large liquid methane sea on Titan. Image credit: NASA’s John Glenn Research Center.

Cassini Reveals Surface Properties of Titan’s Hydrocarbon Seas

Jul 16, 2024 by News Staff

Saturn’s moon Titan was explored by NASA’s Cassini spacecraft from 2004 to 2017. While Cassini revealed a lot about this Earth-like world, its radar...

This artist’s impression shows how Mars may have looked about 4 billion years ago. Image credit: M. Kornmesser / ESO.

Ancient Mars was Cool and Relatively Wet, New Study Suggests

Jul 11, 2024 by News Staff

In a new study, planetary scientists found strong similarities between soils found in Gale Crater on Mars and those of Canada’s Newfoundland, a cold...

An artist’s impression of the Gliese 414 system. Image credit: Sci-News.com.

Scientists Revise Famous Drake Equation

Jul 2, 2024 by News Staff

Within the uncertainties of involved astronomical and biological parameters, the Drake equation typically predicts that there should be many exoplanets...

Mars; the center of the scene shows the entire Valles Marineris canyon system. Image credit: NASA Goddard Space Flight Center.

Mars is Bombarded by Meteoroids At More Frequent Rates than Previously Thought

Jun 28, 2024 by News Staff

Current impact rates at Mars could be 2-10 times higher than previously estimated, depending on the size of the meteoroids, according to new research. Mars;...

This image from NASA’s Galileo spacecraft shows a volcanic explosion on Io. Image credit: NASA / JPL / University of Arizon.

Juno Spots ‘Hot Rings’ on Jupiter’s Volcanic Moon Io

Jun 27, 2024 by News Staff

These bright (hot) ‘thermal rings’ are a common phenomenon, and they are indicative of active lava lakes, according to a new analysis of data from...

This graphic illustrates how Cassini scientists think water interacts with rock at the bottom of Enceladus’ ocean, producing hydrogen gas. Image credit: NASA / JPL-Caltech / Southwest Research Institute.

Study: Active, Seafloor Hydrothermal Systems on Small Ocean Worlds Could Support Life

Jun 25, 2024 by News Staff

Ocean worlds are planetary bodies that have a liquid ocean, often under an icy shell or within the rocky interior. In our own Solar System, several moons...

An artist’s rendering of the surface of Saturn’s largest moon, Titan. Image credit: Benjamin de Bivort, debivort.org / CC BY-SA 3.0.

Coastlines of Titan’s Largest Lakes and Seas Were Eroded by Wave Activity: Study

Jun 19, 2024 by News Staff

Titan, Saturn’s largest moon, is the only known planetary body besides Earth on which standing liquids persist. Liquid hydrocarbons, supplied by rainfall...

Voyager 1 launched from Florida’s NASA Kennedy Space Center on September 5, 1977, 16 days after its twin, Voyager 2. This artist concept depicts one of NASA’s twin Voyager spacecraft. Image credit: NASA / JPL-Caltech.

NASA Returns Voyager 1 Spacecraft to Normal Science Operations

Jun 14, 2024 by News Staff

Voyager 1 is conducting science operations for the first time following a technical issue that arose in November 2023. Voyager 1 launched from Florida’s...

This image, obtained by the High Resolution Stereo Camera aboard ESA’s Mars Express spacecraft, shows Olympus Mons, the tallest volcano not only on Mars but in the entire Solar System. Image credit: ESA / DLR / FU Berlin.

Water Frost Deposits Spotted on Tropical Martian Volcanoes

Jun 11, 2024 by News Staff

Using high-resolution color images from ESA’s Trace Gas Orbiter (TGO) and Mars Express missions, planetary researchers have found evidence for morning...

This composite image, derived from data collected by the JIRAM instrument aboard NASA’s Juno orbiter, shows the central cyclone at Jupiter’s north pole and the eight cyclones that encircle it. JIRAM collects data in infrared, and the colors in this composite represent radiant heat: the yellow (thinner) clouds are about 9 degrees Fahrenheit (minus 13 degrees Celsius) in brightness temperature and the dark red (thickest) are around minus 181 degrees Fahrenheit (83 degrees Celsius). Image credit: NASA / JPL-Caltech / SwRI / ASI / INAF / JIRAM.

Jupiter’s Polar Cyclones are Fueled by Processes Similar to Those Acting on Earth: Study

Jun 10, 2024 by News Staff

Planetary scientists first made the connection between Earth and Jupiter in 2018 when they noticed a striking similarity between images of Jupiter’s...

The South Pole-Aitken Basin on the lunar far side is one of the largest and oldest impact features in the Solar System. It’s easily seen in the elevation data. The low center is dark blue and purple. Mountains on its edge, remnants of outer rings, are red and yellow. Image credit: NASA / GSFC / University of Arizona.

NILS Detects Negative Ions on Lunar Surface

Jun 6, 2024 by News Staff

The Negative Ions at the Lunar Surface (NILS) instrument onboard China’s Chang’e-6 probe has detected negative ions on the surface of the Moon. These...

An artistic conception of the early Earth. Image credit: Simone Marchi / NASA.

Freshwater Appeared on Earth About 4 Billion Years Ago, Study Suggests

Jun 4, 2024 by Natali Anderson

Analyzing 4-billion-year-old zircon crystals from the Jack Hills in Western Australia’s Mid West region, geoscientists have pushed back the timeline...

This image shows the Sif Mons area with the active volcanic region highlighted in red. Image credit: Davide Sulcanese, IRSPS - Università d’Annunzio.

Venus is Currently Volcanically Active, New Study Confirms

May 28, 2024 by News Staff

Using radar data from NASA’s Magellan mission, planetary scientists have detected volcanic-related flow features in two different regions of Venus: on...

This high-resolution image of Pluto was taken by New Horizons on July 14. Pluto’s surface sports a remarkable range of subtle colors, enhanced in this view to a rainbow of pale blues, yellows, oranges, and deep reds. Many landforms have their own distinct colors, telling a complex geological and climatological story that scientists have only just begun to decode. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute.

Pluto’s Subsurface Ocean is 8% Denser than Seawater on Earth, Study Suggests

May 21, 2024 by News Staff

Planetary researchers from Washington University in St. Louis and the Lunar and Planetary Institute have used mathematical models and unprecedented high-resolution...

These views of Jupiter, captured by Juno during its 59th close flyby of the giant planet on March 7, 2024, provide a good look at Jupiter’s colorful belts and swirling storms, including the Great Red Spot. Image credit: NASA / JPL-Caltech / SwRI / MSSS / Gerald Eichstädt.

Amalthea: Juno Captures Solar System’s Reddest Object

May 15, 2024 by News Staff

NASA’s Juno orbiter captured these views of the tiny, red moon Amalthea and its parent planet and during a close flyby on March 7, 2024. These views...

Permanently shadowed regions in the north polar region of Ceres; the color indicates the maximum obliquity at which a location is in shadow through an entire orbit. Image credit: Schorghofer et al., doi: 10.3847/PSJ/ad3639.

Planetary Scientists Create Map of Ceres’ Cold Traps

May 13, 2024 by News Staff

The dwarf planet Ceres hosts permanently shadowed areas in its polar regions, and these regions are an interesting analog to Mercury and the Moon. Ceres’...