Feb 1, 2019 by News Staff

Gravimetry — the measurement of tiny changes in gravitational fields — can be used to probe the internal structure of Earth and other planets....

Jan 31, 2019 by News Staff

NASA’s Parker Solar Probe successfully completed its first orbit of the Sun on January 19. Illustration of NASA’s Parker Solar Probe approaching the...

Jan 29, 2019 by News Staff

NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) spacecraft has obtained new images of Bennu,...

Jan 29, 2019 by News Staff

A lunar rock sample collected by Apollo 14 astronauts in 1971 contains traces of minerals with a chemical composition common to Earth and very unusual...

Jan 29, 2019 by News Staff

A team of astronomers from Japan has discovered a 2.6-km (1.6 mile) wide object in the Kuiper Belt, a distant region of icy debris that extends far beyond...

Jan 25, 2019 by News Staff

NASA’s New Horizons spacecraft has beamed back the most detailed image yet of the Kuiper Belt object Ultima Thule (2014 MU69). This image from NASA’s...

Jan 24, 2019 by News Staff

Planetary researchers believe that our Moon was created more than 4.4 billion years ago in a catastrophic collision between proto-Earth and a hypothetical...

Jan 24, 2019 by News Staff

New research tackles one of the greatest mysteries about Saturn’s moon Titan: the origin of its present-day nitrogen atmosphere. Published in the Astrophysical...

Jan 23, 2019 by News Staff

In 2016, Caltech astronomers showed that six distant solar system objects (2007 TG422, 2013 RF98, 2004 VN112, 2012 VP113, 2012 GB174 and a minor planet...

Jan 22, 2019 by News Staff

NASA’s Cassini spacecraft observed Saturn’s ring system in unprecedented detail, and a team of planetary researchers from the University of California...

Jan 21, 2019 by News Staff

A stunning new image from NASA’s Juno robotic orbiter shows the famed Great Red Spot and a smaller storm called Oval BA. This image was captured by NASA’s...

Jan 18, 2019 by News Staff

In the final phase of NASA’s Cassini mission, the spacecraft dived between Saturn and its innermost ring, at altitudes 1,616-2,423 miles (2,600-3,900...

Jan 17, 2019 by News Staff

Observations from NASA’s Cassini spacecraft provide evidence of rainfall on the north pole of Saturn’s moon Titan. The rainfall would be the first...

Jan 16, 2019 by Enrico de Lazaro

NASA’s New Horizons spacecraft took a series of images between 3 p.m. EST (8 p.m. GMT) on December 31, 2018, and 12:01 a.m. EST (5:01 a.m. GMT) on January...

Jan 7, 2019 by News Staff

The Large Magellanic Cloud, a dwarf galaxy located approximately 163,000 light-years away, is on a collision course with the Milky Way with which it will...

Jan 4, 2019 by News Staff

The science team of NASA’s New Horizons mission has unveiled potentially significant discoveries about a Kuiper Belt object known as Ultima Thule. This...

Jan 4, 2019 by Enrico de Lazaro

At 9:26 p.m. EST on January 2, 2019 (2:26 a.m. GMT, 10:26 a.m. Beijing Time on January 3), China National Space Administration’s Chang’e-4 lunar probe...

Jan 4, 2019 by News Staff

At 2:43 p.m. EST (7:43 GMT) on December 31, 2018, NASA’s OSIRIS-REx spacecraft went into orbit around asteroid Bennu — setting new records for...

Jan 3, 2019 by News Staff

New images from NASA’s New Horizons spacecraft — taken from as close as 17,000 miles (27,000 km) on approach — revealed Ultima Thule as a...

Jan 3, 2019 by News Staff

NASA’s Juno orbiter has captured images of a volcanic plume on Jupiter’s moon Io during the mission’s 17th flyby of the giant planet. JunoCam acquired...