Scientists think they have answered a whale of a mystery: How the ocean creatures got so big so fast.
A physics-based simulation detected that due to the melting ice sheet, it can contribute to high sea levels by 2100.
Scientists say they have finally detected gravitational waves, the ripples in the fabric of space-time that Einstein predicted a century ago.
People are changing Earth so much, that scientists are turning to a new way to describe the time we live in.
If you think climate change is only faced by some far-off polar bear decades from now, well, you're mistaken.
The Hubble Space Telescope has captured snapshots of never-before seen galaxies far away. Try 13. 2 billion years ago.
Throughout the 21st century, climate change impacts will slow down economic growth and poverty reduction, says report on warming.
Warm air at high altitudes helped shrink the man-made ozone hole near the South Pole ever so slightly, scientists say.
Researchers calculated when cities and ecosystem across the world would regularly experience never-before-seen hotter environments.
Scientists from a variety of fields say they are about as certain that global warming is a real, man-made threat as they are that cigarettes kill.
The crew of the International Space Station is boldly going where no one has gone before - to see the new Star Trek film.
The International Space Station regained contact with Nasa controllers in Houston after nearly three hours of accidental quiet.
The cosmic crash that seemed to end the reign of the dinosaurs probably gave way to the age of mammals, researchers say.
About nine years ago, when astronomers first saw Apophis, they thought there was a 2. 7 percent chance that it would smack into our planet.
In a novel experiment, six volunteers were confined in a cramped mock spaceship in Moscow to simulate a 17-month voyage.
For a mere $1. 5 billion, a US firm is offering countries the chance to send two people to the moon and back.
A US professor reported that what used to be once-in-a-century devastating floods in New York City would soon happen every three to 20 years.
A new study finds that fraud in scientific research is growing at a troubling rate.
There's a rare 'blue moon' on Friday, a fitting wink to Neil Armstrong by the cosmic calendar.
Greenland's coldest place is melting. Records show that last happened in 1889 and occurs about once every 150 years.
Scientists wonder if apes are capable of thinking about what other apes are thinking.
Nations should prepare for an unprecedented onslaught of deadly and costly weather disasters, say climate scientists.
New figures for 2010 mean that levels of greenhouse gases are higher than the worst case scenario outlined by climate experts just four years ago.
Since the space age began, the area just above Earth's atmosphere has been littered with leftover boosters and old satellites.
Thanks to the space shuttle, we have healthier baby formula and cooling socks to wear in hot weather.