Please Update your browser
Your browser is out of date, and may not be compatible with our website. A list of the most popular web browsers can be found below. Just click on the icons to get to the download page.
Can't find what you're looking for?
Or continue login with
An asteroid the size of an SUV passed 1,830 miles (2,950 kilometers) above Earth, the closest astero...
The sudden dimming of one of the Milky Way's brightest stars, Betelgeuse, could be due to a dust...
The question of whether ancient life could have existed on Mars centers on the water that once flowe...
Scientists have identified 37 volcanic structures on Venus that appear to be recently active, painti...
Astrophysicists on Monday published the largest-ever 3D map of the Universe, the result of an analys...
Mars may now be considered a barren, icy desert but did Earth's nearest neighbor once harbor lif...
Skywatchers along a narrow band from west Africa to the Arabian Peninsula, India and the Far East wi...
Astronomers have gazed into what appears to be a planetary maternity ward, observing for the first t...
The sun appears to be far less active than similar stars in terms of brightness variations caused by...
Scientists have observed the biggest supernova - stellar explosion - ever detected, the violent deat...