NASA's Spitzer and WISE telescopes find close, cold neighbor of the Sun

NASA's Wide-field Infrared Survey Explorer (WISE) and Spitzer Space Telescope have discovered what appears to be the coldest "brown dwarf" known -- a dim, star-like body that surprisingly is as frosty as Earth's North Pole.

SETI to mothball alien-seeking telescopes

A shortage of funding has forced SETI's Allen Telescope Array (ATA) - used to search for signs of alien life - to shut down.

Alien mining could be visible from Earth

If we want to find intelligent aliens, we should be looking for signs of mining in extraterrestrial asteroid belts, argue two astrophysicists.

New scheme to track astronomical events in real time

A new global project will, for the first time, be able to track astrophysical events across the sky as they happen.