Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...

A DRACO ground test would need to capture plume exhaust fully to ensure no radioactive materials are released to the ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s.

NASA’s Goldstone Solar System Radar is closely tracking asteroid 2024 PT5 during its nearest approach to Earth, a distance ...

NASA-backed private stations rise, India nears crewed flight, China eyes new milestones, and SpaceX pushes Starship’s limits.

State Sen. Jerry Stevenson, R-Layton, is sponsoring a bill that would establish a Spaceport Exploration Committee. That ...

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ...

The NASA+ film explores a compelling question: How would humanity respond if we discovered an asteroid headed for Earth? Far ...

Herd discovered that the sample was chondrite, the most common type of space rock that strikes Earth, and that it likely ...

Trailer for NASA's upcoming documentary, "Planetary Defenders," which will take audiences inside the high-stakes world of asteroid hunting and ...

Some space conspiracy theories just won't go away.

The race to return to the Moon and push beyond has entered a new, more intense phase. While Elon Musk and NASA have been ...