SpaceX will launch NASA's next exoplanet mission on Sunday morning (Jan. 11), and you can watch the action live. A Falcon 9 rocket carrying about 40 payloads, including NASA's Pandora exoplanet ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...

Space is full of weird but wonderful things, from unusual rocks on Mars that don’t actually belong there to hidden structures ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Spacecraft are assembled in specialized “cleanrooms” that are designed to avoid contamination from dust and microorganisms.

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

ADVANCED alien civilisations might be talking to each other across the vast reaches of space using a “firefly” technique.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

NASA has postponed the first planned spacewalk of 2026 after a medical concern involving a crew member aboard the ...