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.
A fire and explosion in a rocket engine are being blamed for a botched commercial space station shipment last October.
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, ...
Tables stored in flash memory aboard NASA's Mars Reconnaissance Orbiter (MRO) tell locations of Earth and the sun for the past 10 years, but not their locations next year. That needs to be changed. Carefully.
What's better at blocking sunlight: a traditional flat occulter disk or a beach ball?
On the hunt for alien worlds that might support life, NASA's unmanned Cassini spacecraft has survived its closest-ever dive through the icy spray coming from Saturn's moon Enceladus.
When Russian cosmonaut Alexei Leonov conducted the world's first space walk in 1965, the mission nearly ended in catastrophe. After 12 minutes outside the Voskhod spacecraft, the vacuum of space had caused Leonov's suit to ...
In September, the New Horizons team released a stunning but incomplete image of Pluto's crescent. Thanks to new processing work by the science team, New Horizons is releasing the entire, breathtaking image of Pluto.
Just a few hundred yards from the house where Italian astronomer Galileo Galilei (1564-1642) lived in Arcetri for the last nine years of his life, the University of Delaware's William Matthaeus is working to further the world's ...
New Horizons scientists have discovered a striking contrast between one of the fresh craters on Pluto's largest moon Charon and a neighboring crater dotting the moon's Pluto-facing hemisphere.