I once thought that if I could ask God one question, I would ask how the universe began, because once I knew that, all the ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

On this date, President John F. Kennedy provides NASA with its strongest advocate for large space telescopes, James Webb ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. Marketing health ...

"The operations work at STScI, NASA's Goddard Space Flight Center, and other NASA contractors is funded by the operational ...

Take a tour of the amazing Ring Nebula image captured by the James Webb Space Telescope. Credit: NASA/ESA/CSA/Institute for ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

Astronomers have discovered HD 20794 d, a super-Earth orbiting in the habitable zone of a star just 20 light-years away. This ...

The Priority Mail 'Spiral Galaxy' and Priority Mail Express 'Star Cluster' stamps are now available in panes of four at post ...

NEW YORK (AP) — A full-scale replica of the secret annex where Anne Frank penned her famous diary opened in New York City on ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.