New analysis of data gathered from New Horizons' 2015 flyby of Pluto shows evidence of Earth-like snow-capped mountains and the potential for glaciers made of methane ice.

Observations by the Hubble Space Telescope reveal intense infrared radiation from an unusual kilonova probably created by the collision of neutron stars.

Researchers in the U.S. and Spain have discovered a plethora of previously unknown microbes living in wet clay layers below Chile's arid Atacama Desert. The finding will help future rovers search for life on Mars.

The SpaceX Falcon 9 rocket carrying the Crew-1 spacecraft launched Sunday evening. The rocket returned to Earth for an upright landing on a drone ship in the Atlantic Ocean. The spacecraft went on to dock with the International Space Station on Monday evening, transporting 4 astronauts.

The asteroid - 2020 VT4 - is estimated to be between 16 and 36 feet (5-11 meters). It skimmed the top of our atmosphere on Friday, November 13, 2020. Astronomers spotted it one day later.

Discovered last June, Comet C/2020 M3 (Atlas) is closest to Earth - millions of miles away - on Saturday, November 14, 2020. It's in an easy-to-find location, if you have a dark sky. Charts and photos here.

Jim Bridenstine is leaving the post of NASA chief administrator.

Like many worlds in our solar system, Mars has prominent impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express: an ancient triplet composed of 3 overlapping craters.

Exoplanet K2-141b is fiery hot world that circles so close to its star that 1 side of the planet features a deep ocean of molten lava. Meanwhile, the other side is freezing cold.

20 years ago, three astronauts stepped aboard the ISS. It's since hosted residents from many countries, creating humanity’s first history of living in space.