A Mars Announcement ‘for the History Books’? Not So Fast
Big news from Mars may turn out to be more modest than it sounds
Big news from Mars may turn out to be more modest than it sounds
The lidless eyes of the satellites circle the Earth, looking down upon the surface. The images that satellites like the U.S. Geological Survey’s Landsat 7 become instant feedback about our effect on the planet, how the Earth is sh …
Everyone’s an astronomer as the search for mysterious matter goes wide
A strange, free-range world is found
A world like ours, in a solar system like ours, in just the right spot for life
From the final journey of Space Shuttle Endeavour to the destruction of Hurricane Sandy, view our monthly roundup of cosmic highlights from October 2012.
Astronomers have peeled back the layers of the Universe’s Dark Ages to find its oldest stars
A delicate formation in the southern sky provides new clues to the galaxy’s formation
A small problem on Earth can be a very big one in space. How science is trying to cut the risk
The Mars rover digs in to work as a millimeter-size grain catches eyes
New theories about the long-ago collision that forever transformed our nighttime sky
Just down the block from our planet — circling one of the stars in Alpha Centauri — is a world very similar to the one we know best