IBEX is helping astronomers figure out where the edge of our solar system ends and the rest of space begins.
During a hearing held by the House science committee, congressional representatives questioned the wisdom of cutting NASA's outreach and education office.
The young star DM Tau, which lies about 470 light-years from Earth, hosts two rings of dust where planet formation is likely occurring, new photos reveal.
The monster black hole at the Milky Way's heart isn't the only beast capable of booting stars out of the galaxy, a new study suggests.
On a distant space rock being explored by a NASA probe, days are slowly shortening — and scientists are still trying to figure out why.
In a beautiful 3-minute video, hear the sounds of the first whirling pulsar ever observed and learn the story of its discovery by Jocelyn Bell Burnell.
NASA will open one of its last remaining lunar samples sealed by Apollo astronauts on the moon nearly 50 years ago.
Imagine astronauts on Mars, tasked with picking rock samples that will be used by scientists to search for signs of life. But they can only transport a limited number back to Earth.
The Characterizing Exoplanet Satellite recently passed a crucial review designed to assess the spacecraft's readiness for flight and ability to meet major mission goals.
A set of newly released photos shows what NASA's Mars rover Opportunity was looking at just before being engulfed by the monster dust storm that took its life.
Mercury shares its orbit with a ring of wandering dust, and a cloud of as-yet-undiscovered asteroids likely gave rise to a similar ring in Venus' neighborhood, recent research suggests.
A new image from the venerable Hubble Space Telescope shows what happens when two galaxies collide — an experience our own Milky Way will have in a few billion years.
NASA's Mars InSight lander, which touched down in November, celebrated 100 days on Mars by watching the sun set.
Nine lucky science teams have been given the chance of a lifetime: to study moon rock samples collected by the Apollo program that have been sealed for decades.
NASA's Europa Clipper mission could receive $600 million for the fiscal year that begins in October, according to budget request documents released today (March 11) by the Trump administration.
NASA Administrator Jim Bridenstine praised the proposed 2020 budget from the Trump administration, describing how the budget will help the agency reach the moon, and then continue on to Mars
The Trump administration's federal budget request for 2020 proposes the cancellation of three NASA science missions: the Wide-Field Infrared Survey Telescope (WFIRST) and two Earth science missions.