A recent NASA study outlines possible dedicated missions to the "ice giant" planets Uranus and Neptune that might leave Earth as early as 2030.
Following the release of the 2018 budget, the space agency has ordered an “orderly closeout” for the Asteroid Redirect program.
China's Hard X-ray Modulation Telescope (HXMT) headed to orbit this past weekend.
Xenon measured by the European Space Agency's Rosetta spacecraft has shed light on a long-standing mystery about the role comets played in Earth's formation.
Astronomers announce the discovery of bloated gas giant KELT-9b, the hottest "hot Jupiter" exoplanet known orbiting a short-lived massive star.
The European Space Agency has released its investigation into the crash of the Schiaparelli Mars lander in October 2016.
From its dynamic atmosphere to its hidden depths, the Juno spacecraft has Jupiter as never before — surprising NASA scientists with unexpected complexity.
Large asteroid 2014 JO25 cruised past Earth on April 19, and Goldstone and Arecibo radars were at the ready to capture what turned out to be yet another twin-lobed asteroid.
The Grand Finale is underway, as NASA's Cassini spacecraft sails through a clear gap between Saturn and its rings.
Cassini's Grand Finale has begun, as the spacecraft threaded the needle between Saturn and its rings, following several fantastic moon passes and a final glance back at Earth.
LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.
The MEarth exoplanet survey nabs LHS 1140 b, a rocky planet transiting its host star just 41 light-years distant.
NASA's Cassini mission nears its final act — the spacecraft will enter the first of its Grand Finale Orbits later this month.
Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.
Cassini gave us a good look a Saturn's moon Pan last week... and what a strange world it is.
A recent study suggests a plausible mechanism to explain why observers sometimes hear superbright meteors at the same time that they see them.
SpaceX's surprise announcement envisions humans traveling beyond low-Earth orbit and to the Moon at the end of 2018.
NASA has announced that its Juno spacecraft will remain in a wide-ranging orbit around Jupiter, extending the mission's lifetime.
Three possible landing sites are now in the running for the U.S. space agency's next Mars rover.
A study of ancient meteorites has refined the date for the dissolution of the solar nebula, the cloud that shrouded our Sun in its earliest days.
NASA's Juno spacecraft continues to give us amazing views of Jupiter, now from its fourth perijove pass.
A recent study found micrometeorites in piles of dirt collected from urban European rooftops.
A unique method reveals the influence of a planet within the stellar disk around TW Hydrae.
NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.
Japan's Venus orbiter has witnessed a huge atmospheric wave that spans the globe.