Scientists reevaluate what they thought was a massive impact crater on Mars. It may actually have had a much more fiery past.
In a finding that verifies earlier suspicions, the Curiosity rover sends back images featuring rocks made up of gravels scientists say were once swept along by a "vigorous" flow of water.
Increasing performance by quitting remnant or unnecessary system processes
A Vietnamese language pack for the open-source Web browser was tainted with part of the infectious Xorer Trojan since February. A new version is now being checked.
An Austrian auction house will soon take bids on a camera it claims is the only handheld to come home from an Apollo mission.
A rare distorted supernova explosion leads scientists to believe they may be witnessing the birth of a black hole for the first time ever.
After more than four centuries, latest data reveals that original supernova blast was more powerful than thought and took place farther away in space.
For the first time, we have telescopes strong enough to see the radioactivity at the heart of the supernova known as Cas A. What scientists have seen there helps unravel the mystery of how a star dies.
Newly measured distance to stellar debris in the northern sky links it more firmly to an explosion observers saw in 1181.