Pandora, NASA's newest exoplanet mission, is one step closer to launch with the completion of the spacecraft bus, which ...

SpaceX's seventh Starship test flight will now launch no earlier than Thursday, Jan. 16, at 5 p.m. EST (2200 GMT).

Kepler-51e, the newest addition to the system ... The JWST team relied on additional data from NASA's Kepler and Hubble telescopes, as well as Earth-based observatories, to refine their models ...

Chandra contributed X-ray data (in red) to the composite image while Webb, NASA's newest flagship space telescope, contributed infrared data (seen in orange, yellow, green and blue). NGC 602 is ...

Astronomers got lucky. "A huge planet with a long name – IRAS 04125+2902 b – is really just a baby: only 3 million years old," NASA recently explained. "And because such infant worlds are ...

See the year’s most striking images from the Hubble and James Webb space telescopes, NASA’s Mars rover and the best sky watching on offer ...