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19 January 2015, 09:50 AM ET
A new alien-planet–hunting telescope has just come online in Chile, and it could help scientists peer into the atmospheres of relatively small planets circling nearby stars.
18 January 2015, 09:31 AM ET
From a false alarm on the International Space Station, to finding a long-lost lander on Mars, this has been a big week for news. Here are Space.com's picks for the biggest space stories of the week.
17 January 2015, 08:16 AM ET
A team of scientists has published the results of an investigative survey into the Sutter's Mill meteorite that landed in California in 2012.
17 January 2015, 08:09 AM ET
From a rocket crash to the discovery of a long-lost Mars lander, don't miss these amazing space images of the week for Jan. 17, 2015.
16 January 2015, 04:18 PM ET
Contruction team members talk about the progress being made on rolling out Virgin Galactic's new private spaceship.
16 January 2015, 03:22 PM ET
Global temperatures in 2014 shattered earlier records, making 2014 the hottest year since 1880.
16 January 2015, 02:20 PM ET
At least two planets larger than Earth likely lurk in the dark depths of space far beyond Pluto, just waiting to be discovered, a new analysis of the orbits of "extreme trans-Neptunian objects" (ETNOs) suggests.
16 January 2015, 02:20 PM ET
Elon Musk — founder of the private spaceflight company SpaceX — has released a series of amazing images showing the fiery fate of a rocket stage during a reusable rocket test on Jan. 10. SpaceX also released an amazing video of the crash.
16 January 2015, 01:45 PM ET
The first crew to embark on a yearlong International Space Station mission could help NASA get to Mars.
16 January 2015, 11:56 AM ET
Planetary geologist Timothy Parker of NASA’s Jet Propulsion Lab explains how the HiRise camera on the Mars Reconnaissance Orbiter was tasked to locate Beagle 2, which landed on Christmas Day, 2003 but never successfully signaled Earth.
16 January 2015, 11:38 AM ET
16 January 2015, 09:37 AM ET
The U.K.-built Beagle 2 Mars lander went missing in December 2003 when it failed to radio home after a Christmas Day landing attempt.
16 January 2015, 09:30 AM ET
Scientists announced today (Jan. 16) that NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) has spotted Beagle 2, which was part of the European Space Agency's Mars Express mission.
16 January 2015, 09:10 AM ET
See photos revealing the United Kingdom's Beagle 2 lander on Mars. Officials lost contact with the lander before ever finding out if it made it to the Martian surface safely. NASA's Mars Reconnaissance Orbiter captured images of the lost lander.
16 January 2015, 07:00 AM ET
Asteroids have long been regarded as planetary building blocks. But they may actually be byproducts of planet formation, born when violent collisions smashed protoplanets apart, a new study suggests.
16 January 2015, 07:00 AM ET
More than 22,000 pieces of space junk at least 4 inches (10 centimeters) wide are now being tracked in Earth’s orbit. Cleaning up this mess — and preventing it from getting worse — will take a sustained international effort, experts say.
16 January 2015, 12:46 AM ET
This stunning space wallpaper shows a swirling starscape above ESO’s La Silla Observatory. Also, if you look very closely, you can see not one, but three horizontal trails from three separate planes, moving from left to right in the sky.
15 January 2015, 10:41 PM ET
Dark matter and dark energy can't be seen, but that doesn't mean they don't yield stunning images.
15 January 2015, 10:02 PM ET
The European spacecraft made some surprising discoveries during its eight-year mission to the second planet from the sun.
15 January 2015, 07:41 PM ET
The NASA probe launched in January 2005 and will encounter Pluto in the summer of 2015.
15 January 2015, 04:52 PM ET
There are always interesting and unusual things to see in the night sky, even if you don’t own a telescope. Saturn, the moon and several other night sky objects are currently starring in a celestial show before sunrise, but only for those early birds who
15 January 2015, 04:31 PM ET
Early Friday morning, if skies are clear, you have a good chance to catch sight of a lovely waning crescent moon pairing off with the ringed wonder of the solar system: the planet Saturn.
15 January 2015, 04:17 PM ET
NASA and Russia are launching a joint one year mission to the International Space Station. NASA's Scott Kelly and cosmonaut Mikhail Kornienko will blast off to the orbiting outpost on March 28, 2015.
15 January 2015, 03:12 PM ET
A federal surplus auction is selling a NASA flown-in-space artifact that may be worth its weight in gold — because it is gold. The six 24 karat gold plates reportedly flew in space for 69 months.
15 January 2015, 02:50 PM ET
Alien planets that orbit close to their parent stars may be at high risk of the ultimate hot-cold scenario, with one side stuck in permanent daylight while the other shrouded in everlasting night.
15 January 2015, 02:40 PM ET
The two big space movies of 2014 — "The Theory of Everything" and "Interstellar" — have both been nominated for five Academy Awards.
15 January 2015, 12:43 PM ET
NASA's SMAP’s (Soil Moisture Active Passive) large antenna will give let the satellite measure wide swaths of land. Obtaining worldwide soil moisture measurements every 2 or 3 days, SMAP may boost crop productivity, protect forests and ameliorate flo
15 January 2015, 07:27 AM ET
While most full moons of the year look similar, they each have unique names. Full moon names date back to Native Americans, living in what is now the northern and eastern United States.
15 January 2015, 07:00 AM ET
Sugars may form in the types of ice found in deep space — a finding that could help to explain how comets and meteorites could have seeded the primordial Earth with key ingredients for life.
15 January 2015, 07:00 AM ET
NASA's New Horizons probe today (Jan. 15) began its six-month approach to Pluto, which will culminate with the first-ever close flyby of the dwarf planet on July 14.
15 January 2015, 07:00 AM ET
What do you want to know about the upcoming one-year mission to the International Space Station? NASA officials will discuss the yearlong station mission in a series of news conferences Thursday (Jan. 15), and you can watch the briefings live online.