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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.
15 January 2015, 07:00 AM ET
The 1-ton Curiosity rover began conducting "mini-drill" tests on a rock dubbed Mojave this week, to assess the stone's suitability for a full-up drilling and sample-collection operation.
14 January 2015, 10:57 PM ET
Scaled Composites has been aiming toward commercial spaceflight for more than a decade.
14 January 2015, 05:40 PM ET
A large asteroid about a third of a mile wide will buzz safely by Earth on Jan. 26, and mark the planet's closest encounter with a space rock of its size until 2027.
14 January 2015, 05:25 PM ET
Crewmembers on the International Space Station have now been allowed into the U.S. segment of the orbiting outpost, after a false alarm caused astronauts to evacuate that part of the station early Wednesday (Jan. 14).
14 January 2015, 05:01 PM ET
Beauty not only inspires mathematics, it can solve for it.
14 January 2015, 03:38 PM ET
Ten years ago today (Jan. 14), humanity got its first up-close look at Saturn's huge moon Titan, a bizarre, frigid world that may be capable of supporting life as we know it.
14 January 2015, 03:23 PM ET
A NASA space telescope has spotted a colossal black hole chowing down on gas from a distant collision between two doomed galaxies.
14 January 2015, 02:52 PM ET
NASA data shows that average sea ice totals have dropped significantly, with a precipitous fall between 2002 and 2008. Sea level rise is a direct result of sea ice loss.
14 January 2015, 01:28 PM ET
For the probe landing’s 10th anniversary, a new sequence has been rendered from Huygens’ Descent Imager/Spectral Radiometer (DISR) data. The craft landed on Saturn’s largest moon on 14 Jan 2005.
14 January 2015, 01:14 PM ET
The sun released its first significant solar flare of 2015 on Monday night, and started off the New Year with a BANG! See the video
14 January 2015, 01:00 PM ET
A possible ammonia leak on the International Space Station triggered an evacuation of astronauts and cosmonauts to the Russian side of the orbiting outpost, but now, NASA flight controllers think it was likely a false alarm.
14 January 2015, 12:46 PM ET
International Space Station program manager Mike Suffredini talks about how the astronauts responded to the ammonia leak alarm in the early morning hours of Jan. 14th, 2015.
14 January 2015, 10:32 AM ET
On Jan. 26th, 2015, Asteroid 2004 BL86 will become the largest known space rock to fly this close to Earth (nearest approach = ~745,000 miles).
14 January 2015, 09:10 AM ET
An alarm suggesting a potentially toxic ammonia leak on the International Space Station early Wednesday (Jan. 14) forced astronauts to evacuate the U.S. side of the orbiting lab, but NASA says there is no proof such a leak actually occurred.
14 January 2015, 07:40 AM ET
The HiRISE camera aboard NASA's Mars Reconnaissance Orbiter (MRO) photographed the crater, which lies in the Red Planet's equatorial Elysium Planitia region, on Dec. 2, 2014.
14 January 2015, 07:00 AM ET
Using NASA's planet-hunting Kepler spacecraft, scientists have refined their ability to nail down the ages of individual stars by measuring the objects' mass and how quickly they rotate.
14 January 2015, 07:00 AM ET
On Dec. 29, CIA officials suggested via Twitter that many UFOs reported in the 1950s and '60s were actually high-flying U-2 spy planes.
14 January 2015, 06:00 AM ET
12 telescopes of the Next-Generation Transit Survey (NGTS) at the European Southern Observatory at Paranal, Chile have begun to measure stellar brightness over time to spot of Neptune-sized and smaller planets in orbit around far away stars.
13 January 2015, 11:40 PM ET
Crowdfunding is attempting to pick up where federal funding has left off.
13 January 2015, 10:00 PM ET
The universe was born with the Big Bang as an unimaginably hot, dense point. SPACE.com offers an overview of the universe and its history, age and structure.
13 January 2015, 05:21 PM ET
New images and a movie show Comet Lovejoy in all its glowing green glory.
13 January 2015, 04:05 PM ET
Company founder (and theoretical physicist) Dr. Mark G. Jackson explains how reduced government funding has challenged discovery in the field of physics. His company aims to connect researchers with donors.
13 January 2015, 03:25 PM ET
The UK Space Agency is holding a news conference Friday (Jan. 16) to provide an update on Beagle 2, which was supposed to touch down on Dec. 25, 2003, but is thought to have crashed.
13 January 2015, 03:17 PM ET
Watch the shimmering parade of surface feature names dance in step with the moving terminator as Luna's phase, libration and position angles during the year’s course are animated and time-stamped.
13 January 2015, 02:00 PM ET
Astronomers like to get creative when naming their projects and collaborations. Acronyms from this year's American Astronomical Society meeting included SLoWPOKES, ASAS-SN, ANGST and AGHAST.
13 January 2015, 01:51 PM ET
Like a multi-petal flower, an M5-class flare erupted from the sun on Jan. 12th, 2015 prodding the magnetic field phenomenon. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths.
13 January 2015, 11:30 AM ET
This stunning image shows a bright supernova in the Superwind galaxy taken on Jan. 2 by astrophotographer Justin Ng.
13 January 2015, 11:20 AM ET
China's first lunar lander Chang'e 3 remains is still operation after more than a year on the moon, and has captured a photo of a distant galaxy as seen from the lunar surface.
13 January 2015, 07:30 AM ET
Researchers were able to pinpoint the Saturn system's center of mass, or barycenter, within about 2 miles — a 50-fold improvement over the best estimates provided by ground-based telescopes, NASA officials said.