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

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

NASA astronaut Matthew Dominick captured this amazing view from the International Space Station using a new 15mm lens (T1.8, ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Astronomers have found two planets around two separate stars that are succumbing to their stars' intense heat.

Some space conspiracy theories just won't go away.

DEADLY space radiation and rapid outbreaks of disease are just a few of the official Nasa dangers that visitors to Mars will ...

Mars is called the "Red Planet" primarily due to the presence of iron oxide, commonly known as rust, present on its surface.

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red supergiant stars like Betelgeuse and Antares.

STOCKHOLM (AP) — A Swedish artist is about to have the dream of a lifetime fulfilled: A little red model house he created will be launched into space this week and, if all goes according to plan, put ...

Villagers discovered the "red and hot" object ... administrator Sean O'Keefe told The Sun in an interview last year. "The frequency in which we've seen [space] debris crash in Australia and ...