06 July 2014, 01:01 PM ET
A colossal but glancing smashup with a roughly Earth-size planet could have stripped away much of proto-Mercury's rocky mantle, explaining why the tiny, sun-scorched world has such a huge iron core today, researchers say.
04 July 2014, 09:00 AM ET
The moon and Mars will rendezvous in the night sky Saturday, putting on a spectacular show. Some skywatchers will even see the moon blot out the Red Planet in an event known as an occultation.
02 July 2014, 04:42 PM ET
Researchers at the University of Michigan have recreated NASA Phoenix mission landing site conditions in their lab and determined that Martian salts must interact with ice to make liquid water. FULL STORY: http://goo.gl/mqEnjD
02 July 2014, 04:34 PM ET
It may seem impossible that water could flow on the frigid surface of Mars, but a new study in a simulated Red Planet environment shows that a type of salt there may melt the ice it touches.
01 July 2014, 03:25 PM ET
Pluto reaches opposition and can be seen with a medium-sized telescope and dark skies. Dwarf planet Ceres and asteroid Vesta will be quite close to one another on the night sky. But each is a tough target.
01 July 2014, 07:00 AM ET
Cosmic impacts can create novel habitats where life can flourish and preserve the remains of pre-existing life for millions of years, new research suggests.
30 June 2014, 10:29 AM ET
Saturn and Mars are visible in the evening and Venus and Mercury can be found before sunrise. At the end of the month, the annual Delta Aquarid peaks with 20 meteors per hour. -- Skywatching Guide: http://goo.gl/uETMG9
28 June 2014, 05:45 PM ET
The space agency launched its Low-Density Supersonic Decelerator test vehicle today from Hawaii, seeing how equipment designed to slow the descent of spacecraft through the Red Planet's atmosphere performs at high speeds in Mars-like conditions.
25 June 2014, 03:11 PM ET
The space agency aims to loft its Low-Density Supersonic Decelerator test vehicle Saturday from the U.S. Navy's Pacific Missile Range Facility in Hawaii. The launch window opens at 2:15 p.m. EDT; you can watch all the action here on Space.com.
24 June 2014, 07:30 AM ET
Curiosity wraps up its 687th day on Mars today (June 24), NASA officials said, meaning the 1-ton robot has completed one lap around the sun on the Red Planet.
24 June 2014, 07:00 AM ET
A student-led private mission to Mars wants to send you to the Red Planet — for just 99 cents. Time Capsule to Mars is now offering the opportunity to upload a photo to fly on its trio of 4-inch-wide Mars probes for less than a dollar.
18 June 2014, 11:32 AM ET
The 'guitar god' expresses his displeasure with the sorry state of Humanity’s reach into the cosmos. 'Satch' likens space tourism flights to bad airline experiences and muses upon transporter beam practicality.
17 June 2014, 02:17 PM ET
Angry Birds and NASA have teamed up for the second time to develop a new version of the popular game. The new iteration of the Angry Birds franchise sends players to the space agency's next cosmic target — asteroids.
17 June 2014, 07:35 AM ET
Getting astronauts to the Red Planet is the chief long-term goal of NASA's human spaceflight program, so the agency is developing many technologies to help make that happen, including a new line of prototype spacesuits called the Z-series.
16 June 2014, 07:15 AM ET
Samples scooped from the Martian atmosphere could provide scientists with their first hands-on experience with the red planet.
12 June 2014, 04:46 PM ET
The space agency was forced to scrub six launch attempts of the Mars landing technology over the past two weeks as a result of unusually poor wind conditions at the U.S. Navy's Pacific Missile Range in Kauai, Hawaii.
11 June 2014, 12:53 PM ET
NASA's Mars rover Curiosity has photographed Mercury crossing the face of the sun, marking the first time such a planetary "transit" has ever been imaged from the surface of a planet other than Earth.
11 June 2014, 10:06 AM ET
NASA is developing gigantic supersonic parachutes and inflatable "decelerators" that will slow the descent of heavy gear through the thin Martian atmosphere. See photos of NASA's Low-Density Supersonic Decelerator Project here.
11 June 2014, 07:02 AM ET
NASA is heading back to the ocean floor twice in the next three months to test out techniques and technologies that could improve astronauts' lives in orbit and help them explore an asteroid down the road.
09 June 2014, 03:12 PM ET
NASA had originally planned to launch its Low-Density Supersonic Decelerator (LDSD) test vehicle via balloon on June 3 from Hawaii. But uncooperative winds have caused multiple delays, pushing the launch to June 5, June 7, June 9 and now June 11.
06 June 2014, 10:50 AM ET
Mars colonies and other big spaceflight dreams are possible with reusable rockets and spacecraft, SpaceX chief Elon Musk says. And the company is working to make full and rapid reusability feasible.
06 June 2014, 09:15 AM ET
NASA is working on more efficient heating and cooling, longer lasting – nearly maintenance free – systems, more durable fabrics, and more dextrous gloves. New oxygen recovery systems might utilize local planetary materials: ‘in-situ’ consumables.
05 June 2014, 02:55 PM ET
NASA's Low-Density Supersonic Decelerator (LDSD) system will lofted to 120,000 feet, via large scientific balloon. An attached rocket will propel the test article into a test trajectory.
05 June 2014, 02:15 PM ET
Humans should go to Mars to explore, and also as a form of insurance in case disaster strikes on Earth, the aerospace company's president, Gwynne Shotwell, told a small crowd here today (June 4) at the Atlantic Council Captains of Industry.
05 June 2014, 03:33 AM ET
NASA's next Curiosity-class rover blends old and new approaches to innovative tech.
04 June 2014, 06:01 AM ET
While robots have done the lion's share of planetary exploration to date, there are plenty of human stories to share about this ambitious enterprise, a panel of experts stressed during last month's Spacefest VI conference in California.
03 June 2014, 10:24 PM ET
This space wallpaper shows the dark and shadowed regions of the Moon that fascinate astronomers and Pink Floyd fans alike.
03 June 2014, 07:00 AM ET
NASA hopes to launch its Low-Density Supersonic Decelerator test vehicle Thursday (June 5) from a U.S. Navy facility in Kauai, Hawaii. The balloon-aided liftoff was originally scheduled for June 3, but the weather did not cooperate.
02 June 2014, 06:00 PM ET
Scientists suggest life may have existed on Mars in an oasis for microbial life if liquid water was trapped underground and heated by a volcano.
02 June 2014, 02:40 PM ET
The Netherlands-based nonprofit Mars One, which aims to land four settlers on the Red Planet in 2025, announced today (June 2) that it has signed a deal with Darlow Smithson Productions (DSP) to film its astronaut selection and training process.
30 May 2014, 11:04 AM ET
Your best views of Jupiter will come in early June. Venus will be just over the horizon right before sunrise.
22 May 2014, 03:10 PM ET
A fresh pockmark half the length of a football field suddenly appeared on Mars in March 2012, pictures from a NASA satellite show. It's the biggest new impact crater scientists have confirmed on any planet by using before-and-after images.
21 May 2014, 11:48 PM ET
Material blasted off Mars from meteor impacts may have scarred the surface of Phobos, one of the Red Planet's two tiny moons, a new study suggests.
21 May 2014, 09:01 AM ET
The image, a compilation of exposures taken by NASA's Opportunity rover on April 18, provides a great look at the 14-mile-wide (22 kilometers) Endeavour Crater, which Opportunity has been exploring since August 2011.
21 May 2014, 07:01 AM ET
NASA's InSight Mars lander, which is scheduled to launch toward the Red Planet in 2016, passed a key design review Friday (May 16), clearing the way for construction of the spacecraft to begin.
20 May 2014, 01:30 PM ET
The 1-ton Curiosity rover has finished its third-ever drilling operation and will soon resume the long drive toward the base of Mount Sharp, which has long been its ultimate destination, mission officials said.