NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) orbiter is no longer communicating with Earth, after an unknown ...

The United States once poured money and political capital into a spaceplane concept that promised to take off from a runway, ...

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.

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 ...

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

Jared Isaacman repeatedly refused to say whether Elon Musk was present when Donald Trump offered him the NASA administrator ...

The interstellar comet 3I/ATLAS is entering its closest approach to Earth in mid-December, drawing intense scientific interest as astronomers examine a rare object formed in another star system. NASA ...

For thirty years, SOHO has delivered an unprecedented, nearly unbroken view of the Sun, surviving multiple near-catastrophic ...