10 December 2014, 05:00 PM ET
The first color maps of Saturn's moons using data from Cassini spacecraft have been created.
10 December 2014, 04:08 PM ET
Just in time for the festive period, the Hubble Space Telescope has released a dazzling image of a globular star cluster filled with stellar glitter.
10 December 2014, 02:01 PM ET
Asteroids, not comets, may have delivered most of Earth's water to the planet when the solar system was young, new data from a probe orbiting a comet suggests.
10 December 2014, 08:00 AM ET
A meteorite that crashed down in California's gold country is showing off treasures of a different sort: small diamonds that could tell scientists more about the insides of asteroids.
10 December 2014, 07:00 AM ET
Assembly, test and launch operations began recently for NASA's InSight lander, which aims to study the interior of Mars to learn more about how the solar system's rocky planets formed 4.5 bilion years ago.
09 December 2014, 02:50 PM ET
In a section from his book 'Five Billion Years of Solitude: The Search for Life Among the Stars,' Lee Billings discusses how the need for energy is tied to the search for intelligent life in the universe.
09 December 2014, 01:22 PM ET
The Orion Multipurpose Crew Vehicle is NASA's planned spacecraft to take astronauts into space beyond Earth orbit. The agency plans to run the first test flight of the spacecraft in December 2014, with crewed missions possibly following in the early 2020s
09 December 2014, 01:00 PM ET
Claims that scientists have discovered a huge asteroid that could threaten Earth aren't correct, according to NASA.
09 December 2014, 12:56 PM ET
Asteroid 2014 UR116, spotted by astronomers in Kislovodsk, Russia, turns out to have been observed 6 years ago. NASA’s JPL combined the data to show the asteroid passes no closer than 29x the distance to the moon in 2017.
08 December 2014, 04:57 PM ET
The towering dunes on Saturn's largest moon, Titan, which are similar to the sandy hills of the Sahara, are not formed continuously over time, but by short, powerful rogue winds, researchers say.
08 December 2014, 03:31 PM ET
Curiosity has found evidence that the 96-mile-wide (154 kilometers) Gale Crater, which the rover has been studying since August 2012, hosted a large lake long ago. Runoff into this lake eventually built up Mount Sharp, mission scientists say.
08 December 2014, 02:11 PM ET
Data from NASA's Curiosity rover indicates that lake bottom sediment formed the lower layers of Mount Sharp over approximately 1 million years.
08 December 2014, 12:15 PM ET
A gamma-ray burst, the most powerful kind of explosion known in the universe, may have triggered a mass extinction on Earth within the past billion years, researchers say.
08 December 2014, 12:09 PM ET
Physicists have teleported a light particle 15 miles (25 kilometers), making it the farthest quantum teleportation yet.
08 December 2014, 08:00 AM ET
NASA's Dawn spacecraft, which will enter orbit around Ceres in March 2015, has captured its best-ever image of the unexplored dwarf planet, the largest body in the main asteroid belt between Mars and Jupiter.
08 December 2014, 08:00 AM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
07 December 2014, 09:12 AM ET
Get ready for your close-up, Pluto! For the first time in history, a space probe has arrived within striking distance of the dwarf planet.
07 December 2014, 08:00 AM ET
The mysterious circular feature, which was imaged by NASA's Mars Reconnaissance Orbiter, measures about 1.2 miles (2 kilometers) wide. It possibly had a volcanic origin, NASA officials say.
07 December 2014, 08:00 AM ET
On Nov. 28, mission controllers lost contact with the European Space Agency's Venus Express spacecraft, which has been circling Earth's hellishly hot "sister planet" for more than eight years. The probe may have run out of fuel, its handlers say.
06 December 2014, 08:00 AM ET
The New Horizons probe is coming out of hibernation for the last time as it approaches the dwarf planet Pluto and the icy depths of our solar system.
04 December 2014, 11:47 PM ET
This spectacular space wallpaper by ALMA reveals Mira’s secret life. Studying red giant stars tells astronomers about the future of the Sun — and about how previous generations of stars spread the elements needed for life across the Universe.
04 December 2014, 05:10 PM ET
The way we define life has consequences for the search for life on other worlds such as Mars, Jupiter's moon Europa and the Saturn satellite Enceladus.
04 December 2014, 03:00 PM ET
The European Extremely Large Telescope (E-ELT), which will feature a primary mirror 128 feet wide, has been greenlit for construction in Chile, officials with the European Southern Observatory announced Thursday (Dec. 4).
04 December 2014, 02:01 PM ET
The moon once had a magnetic heart, which helped the moon generate a magnetic field stronger than Earth's is now, researchers say.
04 December 2014, 11:32 AM ET
The European Extremely Large Telescope (E-ELT) will be able to gather 13X more light than any optical telescope in existence and with its adaptive optics will provide sharper resolution than the NASA/ESA Space Telescope.
03 December 2014, 06:35 PM ET
A debate has long raged among scientists over the possible existence of life on Mars, and a new study is adding fuel to the fire.
03 December 2014, 06:22 PM ET
Humanity can dramatically reduce its frightening vulnerability to cataclysmic asteroid strikes with just a little extra funding and a little extra effort, say the organizers of the "Asteroid Day" educational campaign.
03 December 2014, 03:51 PM ET
Intense volcanic activity could have spewed tons of greenhouse gases into the Martian atmosphere, warming the Red Planet enough for water to flow billions of years ago.
03 December 2014, 01:38 PM ET
With its ability to detect powerful X-rays, NASA’s NuSTAR identified the source of one of the Milky Way’s brightest gamma-ray sources.
02 December 2014, 11:54 PM ET
This stunning space wallpaper is an artist's impression showing schematically the mysterious alignments between the spin axes of quasars and the large-scale structures that they inhabit that observations with ESO’s Very Large Telescope have revealed.
02 December 2014, 11:48 PM ET
Japan's second asteroid-sampling spacecraft, the Hayabusa 2, has launched on a 16-year voyage to collect pieces of a space rock and return them to Earth. See how the mission will work here.
02 December 2014, 11:00 AM ET
Mars One has selected 10 finalists from dozens of proposed payloads submitted by university groups around the world. One of these experiments will be chosen to fly on Mars One's robotic lander mission in 2018 — and the public will pick the winner.