Astronomers Are Baffled To Find That the Universe Is Expanding Too Fast; 'Not What We Expected' Astronomers routinely ...
Satellites serve many purposes while they orbit above the Earth, but as they do so, how fast do they actually move? The ...
Dark energy, this still mysterious force that accelerates the expansion of the Universe, may have reversed in the distant ...
From the lunar landing to the launch of the Hubble Space Telescope, here are some bold space missions in history.
Discovered by Charles Messier in 1764, M20 is a star-forming nebula located 9,000 light-years away from Earth in the constellation Sagittarius. The Orion Nebula (also known as Messier 42 or NGC 1976) ...
Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...
Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...
Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...