| Dec 29, 2014
| 5:05 AM
SEATTLE These are exciting days for the earthbound scientists who study Mars. Data from a NASA rover creeping across the red planet's surface is rewriting our understanding of Mars' geological history and offering tantalizing clues to the possibility that...
| Dec 31, 2014
| 2:47 PM
This New Year's Eve, a fuzzy green comet named Lovejoy will be just barely visible to the naked eye in the vicinity of the constellation Orion's feet.
If you know exactly where to look, you may be able to spot it.
But if your New Year's plans do not...
| Dec 1, 2014
| 3:00 AM
It took the spacecraft New Horizons, hurtling from Earth faster than any mission before it, a matter of hours to pass the moon's orbit and a year to reach Jupiter's gravity.
Nine years into its journey, it's finally approaching its destination: Pluto....
| 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...
| Nov 10, 2014
| 4:14 PM
Johns Hopkins University astrophysicist Adam Riess, who shared the 2011 Nobel Prize in physics, has taken home another prestigious award for his work on the expanding universe.
He showed that the universe is not just still expanding but that the...
| Oct 27, 2014
| 7:11 PM
You don’t see this every day. For the first time, astronomers have captured images of a nova very soon after the stellar explosion flared into existence and have tracked the fireball's dramatic expansion into space.
The discovery, described in the...
| Nov 6, 2014
| 5:01 PM
Even stars can get lost in space.
Scientists who shot a rocket up beyond Earth’s atmosphere for a matter of minutes have made a remarkable discovery about the diffuse background light that permeates the universe: As many as half of all stars may...
| Oct 31, 2014
| 10:20 AM
Near the end of Christopher Nolan's "Interstellar," as this vast science fiction blockbuster-to-be neared its third hour, the floodgates burst: My chin quivered (check), tear ducts filled (check), cheeks grew warmer (check). And yup, I cried. Sneaking a...
| Nov 6, 2014
| 1:05 PM
With amazing clarity, astronomers have spied a solar system in the act of being born.
At the center is HL Tau, an infant star that is believed to be no more than 1 million years old. It is surrounded by hazy, concentric rings of material that scientists...
| Nov 7, 2014
| 5:49 PM
Dr. Phillip Lu is characteristically self-deprecating about the news that a newly discovered asteroid has been named after him.
"My younger daughter asked, 'Dad, what's this supposed to mean?'" said Lu, 82, a retired astronomy professor from Western...