The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on ...

Milestones like Sierra Space’s Joint Test 10B are needed to confirm Dream Chaser’s “ability to handle specialized payloads ...

The IM-2 mission will test lunar mobility, resource prospecting and the first-ever cellular network on the moon.

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...

President Donald Trump and Elon Musk announced this week that SpaceX, the space exploration company founded by Musk, will be ...

The largest fires started on January 7 and devastated swathes of L.A., including Pacific Palisades and Altadena. The fires ...

Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific ...

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

In NASA's latest survey, experts detected black holes hidden behind thick clouds of gas and dust and others that are not.

NASA astronaut Sunita Williams, who has been stranded on the International Space Station (ISS) for the past eight months, ...

G3 (ATLAS) blazed past the Sun, captured in stunning detail by the SOHO spacecraft. Scientists used its passage to study how ...