NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

Andy Saunders, author of "Gemini and Mercury Remastered," talked about his process of remastering the most famous photographs of NASA's space program.

The floodgates could be poised to burst open on Wall Street for $2.9 trillion worth of private companies that have avoided ...

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Betsy began her career in international finance and it has since grown into a comprehensive ...