Brown dwarf stars host powerful aurora displays just like planets, astronomers have discovered.
Astronomers have discovered a giant gathering of galaxies in a very remote part of the universe, thanks to NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer (WISE). The galaxy cluster, located 8.5 billion ...
The carbon cycle is central to life on Earth. It describes how carbon flows between living organisms, and the ocean, atmosphere and rock of our planet, and is driven by the energy from our sun.
The Hawaii Supreme Court on Tuesday temporarily suspended a permit that allows a giant telescope to be built on a mountain many Native Hawaiians consider sacred.
Chile broke ground Wednesday on a massive telescope that is set to be the world's largest and will allow astronomers to look back to the earliest moments after the Big Bang.
People often criticize the amount of money spent on space exploration. Sometimes it's well-meaning friends and family who say that that money is wasted, and would be better spent on solving problems here on Earth. In fact, ...
Mysterious light on a distant star could be a sign of alien civilisation, some astronomers have claimed, stirring controversy among their peers. Not so fast, said NASA.
Astronomers using the VISTA telescope at ESO's Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, ...
The closer we get to Ceres, the more perplexing the dwarf planet grows. NASA's Dawn spacecraft has found several more bright spots as well as a pyramid-like peak jutting out of the frigid world's surface.
Images of Pluto's tiny moon tiny Kerberos taken by NASA's New Horizons spacecraft – and just sent back to Earth this week – complete the family portrait of Pluto's moons.