A new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of ...

The space rock is expected to zoom past our planet at a zippy 28,655 miles per hour, according to the space agency.

Barry Wilmore said that astronauts, NASA and Boeing need to spend time analyzing the Starliner mission to improve future ...

A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still ...

NASA on Thursday (April 3) debuted the official Artemis 2 insignia, its first emblem for a moon-bound crew in more than 50 ...

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

YR4, it appeared, was heading for Earth but more data recorded by the Webb Space Telescope has offered new information about ...

Scientists at the Harvard-Smithsonian Center for Astrophysics are leading a major part of NASA’s new SPHEREx mission to study ...

Scientists have just discovered four small, rocky exoplanets orbiting Barnard’s Star, the nearest single star to our solar system after the Alpha Centauri system, NASA announced. Located only six ...

The quartet of planets — named b, c, d and e — are some of the smallest rocky worlds ever detected. NASA says each has a mass ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

NASA’s Perseverance and Curiosity rovers reveal signs of ancient life on Mars, including organic molecules and a mysterious ...