| Jan 10, 2015
| 4:00 AM
If you were hoping to find a little more time for yourself or your loved ones in the new year, you are in luck: 2015 is going to be exactly one second longer than 2014.
The "leap second" was decreed this week by astronomers at the International Earth...
| Dec 2, 2014
| 5:00 PM
NASA has put telescopes on mountains and telescopes in space – but what about a telescope on a high-flying blimp?
Scientists at the agency’s Jet Propulsion Laboratory are designing a possible contest that could foster the building of...
| Dec 3, 2014
| 5:55 PM
It’s never too early to worry about asteroids wiping out life on Earth.
So say the folks who’ve been fretting for decades over just such a scenario -- among them, Queen guitarist-astrophysicist Brian May. They think it’s time all...
| Jan 5, 2015
| 12:33 PM
What if I told you that Islam once produced the world's most scientifically advanced and intellectually productive civilization?
It's true, and you'll probably hear more about it, this being 2015, the United Nations International Year of Light and...
| Dec 12, 2014
| 7:18 PM
Scientists say they may have discovered a possible dark matter signal coded in the X-rays emanating from two bright objects in the sky.
The findings, set to be published next week in Physical Review Letters, could offer tangible evidence for the...
| Dec 15, 2014
| 12:16 PM
CERN's Large Hadron Collider will be turned back on in March and a few weeks later will start smashing sub-atomic particles together again at nearly double its previous power, helping scientists hunt for clues about the universe.
The world's biggest...
| Dec 15, 2014
| 1:12 PM
Don L. Anderson, a professor emeritus of geophysics at Caltech and former head of its Seismological Laboratory, died of cancer Dec. 2 in Cambria, Calif., according to the school. He was 81.
Anderson directed the lab from 1967 to 1989 and continued to...
| Dec 19, 2014
| 9:18 PM
It doesn’t pay to bet against Kepler. Even though the NASA spacecraft was hobbled a year and a half ago, the battered telescope has still managed to find a super-Earth. At 20,000 miles across, the newly discovered planet is 2.5 times as wide as...
| Dec 24, 2014
| 12:54 PM
While Philae rests quietly on the dark surface of comet 67P/Churyumov-Gerasimenko, the European Space Agency's Rosetta orbiter is continuing to snap amazing images of the comet's nucleus and beam them back to Earth.
The picture above was taken Dec. 10...
| Dec 24, 2014
| 5:41 PM
It’s time to see the sun in a whole new light – X-ray light. NASA’s NuSTAR space telescope has taken a stunning portrait of our home star in high-energy X-rays.
The related research, presented at the American Geophysical Union...
| Dec 26, 2014
| 6:30 AM
Motors whirred as a gleaming white dome slowly opened, allowing one of the premier solar telescopes in the world to track the magnetic fields and exploding flares of the sun. In a few hours, computers would translate that data into detailed video and...