NASA finally found evidence of the universe’s earliest molecule

Scientists have long suspected that, around 100,000 years after the big bang, helium and hydrogen combined to form the first molecule, helium hydride. That helped the universe begin to cool and led to the formation of stars. But, despite decades of s...

Christina Koch will set a record for longest spaceflight by a woman

Thanks to NASA's recent schedule changes, astronaut Christina Koch will soon hold the record for the longest space flight by a woman. Koch arrived at the International Space Station on March 14 and has already conducted one spacewalk. She'll now rema...

NASA’s TESS spacecraft finds its first Earth-sized exoplanet

One year after its launch, NASA's TESS (Transiting Exoplanet Survey Satellite) discovered its first Earth-sized exoplanet. Named HD21749c, the planet orbits a star just 53 light-years from Earth and is likely rocky but uninhabitable. The findings --...

NASA’s Cassini data shows Titan’s lakes are stranger than we thought

NASA's Cassini-Huygens spacecraft made its fateful plunge into Saturn's atmosphere in 2017, but scientists are still using the data it sent home to make surprising discoveries. Two papers published in Nature Astronomy reveal new information about the...

Privately-owned Moon lander crashes in historic attempt

Private spaceflight isn't quite ready to mark another milestone. SpaceIL's Beresheet lander has crashed on the Moon after mission controllers lost communication during its descent to the lunar surface. It did successfully take a selfie on the way dow...

NASA enlists academia to develop autonomous space habitats

As NASA faces pressure to get astronauts to the Moon and considers human exploration of Mars, it will need to sort out a few major details -- like how to keep extraterrestrial habitats functioning even when there aren't any human occupants. To do thi...