16 September 2014, 09:00 PM ET
Gravitational forces interact during the the merger to form a disc. Red = Gas moving away from Earth, Blue = Gas approaching Earth.
16 September 2014, 07:03 AM ET
Astronomical clues could pinpoint the day Claude Monet painted "Impression, Soleil Levant (Impression, Sunrise)," the piece that lent its name to the Impressionist art movement.
15 September 2014, 04:48 PM ET
The U.S. Air Force and NASA have ironed out problems that prevented scientists from obtaining a steady stream of military tracking data on meteor explosions within Earth's atmosphere. The result could help researchers safeguard Earth from potential impact
15 September 2014, 01:04 PM ET
The category-3 hurricane crashes into Mexico's Baja Peninsula in this time-lapse video from the NOAA GOES-15 weather satellite.
15 September 2014, 11:14 AM ET
See amazing photos of the northern lights from early September 2014 sparked by two intense solar storms on Sept. 8 and 10. Amateur astronomers captured these stunning northern lights views.
15 September 2014, 10:30 AM ET
NASA's twin Voyager spacecraft spotted many bright clumps in Saturn's F ring when they flew by the gas giant in the early 1980s.
15 September 2014, 07:00 AM ET
A concept mission that would fire scientific missiles at Mars to search for signs of subsurface life is making technical strides, team members say, but it still needs quite a bit of financial help to get off the ground.
15 September 2014, 06:56 AM ET
The European Space Agency on Monday (Sept. 15) unveiled the target comet landing site for its historic Rosetta mission, which will drop the Philae lander on Comet 67P/Churyumov-Gerasimenko in November.
15 September 2014, 06:09 AM ET
Rosetta is a spacecraft launched by the European Space Agency with a 10-year mission to rendezvous with a comet.
15 September 2014, 05:27 AM ET
In August 2014, ESA's Rosetta Spacecraft will rendezvous with Comet 67P/Churyumov-Gerasimenko and deploy the Philae lander. See photos from the Rosetta comet probe.
14 September 2014, 12:06 AM ET
What was your favorite space news story of the last week?
13 September 2014, 10:51 AM ET
From a colorful map of Rosetta Probe's comet target to a video of a trash-filled spaceship's fiery demise, don't miss these amazing space images of the week for Sept. 13, 2014.
12 September 2014, 05:48 PM ET
NASA is staunchly defending the science plans for its flagship Mars rover Curiosity in the wake of a recent senior-level review that at times harshly criticized the mission's science operations.
12 September 2014, 05:06 PM ET
Scientists drew borders around the distinct landscapes of a comet where the Rosetta spacecraft will land this fall.
12 September 2014, 05:00 PM ET
For the first time, astronomers have detected water ice clouds, like the ones that shroud Earth, around a dim celestial body outside of our solar system.
12 September 2014, 09:41 AM ET
ESA’s Rosetta mission will attempt to to land its Philae lander on comet 67P/Churyumov-Gerasimenko in November 2014. ESA recently released their 5 top choices and on September 15th, 2014 they will announce the landing site (and its backup).
12 September 2014, 08:33 AM ET
The Mars Science Laboratory has driven nearly 5 miles on the surface of the Red Planet and is ready to start the next phase of its mission. Curiosity mission scientist Katie Stack reports.
12 September 2014, 07:00 AM ET
Talk about "off-Earth roading." The car company Land Rover is partnering with the private spaceflight company Virgin Galactic to send the most adventurous people it can find into space.
12 September 2014, 06:32 AM ET
Two waves of solar material blown out by powerful sun eruptions n this week are hitting the Earth now, and could amplify the aurora displays for observers in northern regions.
11 September 2014, 06:52 PM ET
NASA's Solar Dynamics Observatory (SDO) and Solar and Heliospheric Observatory (SOHO) captured September 10th, 2014's X1.6-class flare and ensuing coronal mass ejection (CME).
11 September 2014, 04:36 PM ET
Powerful solar flares from the sun this week may amplify the northern lights displays over parts of the northern United States through the weekend, space weather scientists say.
11 September 2014, 04:17 PM ET
On Sept. 10, 2014, the sun unleashed a massive X1.6-class solar flare aimed directly at Earth. Take a look at amazing photos of the solar storm and its effects on Earth in this Space.com gallery.
11 September 2014, 02:01 PM ET
Scientists may have solved the mystery behind why giant hot Jupiter planets have such weird orbits. As these giant worlds drew close to their stars, they may force the stars into a chaotic wobble.
11 September 2014, 01:10 PM ET
The hot, wrinkled lava from Iceland's Bardarbunga volcano shines bright in two new satellite images of the blazing eruption.
11 September 2014, 01:09 PM ET
The Mars Science Laboratory Curiosity is heading to the "Pahrump Hills" outcrop (seen above the scale bar). The rover's Mast Camera (Mastcam) imaged the 'Amargosa Valley' as it would appear to humans if placed on Earth.
11 September 2014, 12:31 PM ET
Venus does not have a magnetic field and is pounded by solar wind. NASA researchers have found clues that the Sun's magnetic field lines are behind the hole formations.
11 September 2014, 12:12 PM ET
Selfies can even be taken in deep space. The European Space Agency's comet-chasing Rosetta probe's Philae lander snapped a stunning photo of the spacecraft and its target comet, 67P/Churyumov–Gerasimenko.
11 September 2014, 09:55 AM ET
NASA's Interface Region Imaging Spectrograph (IRIS) mission can only study small areas of the Sun's surface at a time. This week’s mission planner pointed the probe at promising sunspot AR2158 just in time for an X1.6-class flare.
11 September 2014, 07:12 AM ET
A team of researchers has delineated the "Venus Zone," the range of distances from a host star where planets are likely to resemble Earth's similarly sized sister planet, which has been rendered unlivably hot due to a runaway greenhouse effect.
11 September 2014, 07:00 AM ET
The sun fired off strong flares Tuesday and Wednesday from a sunspot known as Active Region 2158, which will be the focus of a free webcast hosted today at 1 p.m. EDT by the online Slooh Community Observatory. Watch it here on Space.com.
11 September 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in August 2014.
10 September 2014, 05:24 PM ET
The sun unleashed an X-class solar flare — the most powerful type — at 1:45 p.m. EDT today from an Earth-facing sunspot known as Active Region 2158. The flare poses no danger to anyone here on Earth, and orbiting astronauts are safe as well.