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.
20 May 2014, 06:00 AM ET
The space agency's Low-Density Supersonic Decelerator test vehicle is now fully assembled at the U.S. Navy's Pacific Missile Range Facility in Hawaii — the site of its first flight trial, which is currently scheduled for June 3.
16 May 2014, 10:54 AM ET
Well-liked children's book character Curious George visits the red planet in an upcoming episode of his TV show.
16 May 2014, 09:54 AM ET
Microorganisms from Earth could hitch a ride on spacecraft and end up colonizing the Red Planet and other celestial bodies in the solar system, recent research suggests.
15 May 2014, 08:08 PM ET
The adventurous primate Curious George is heading to Mars for the first time in a special episode of the cartoon airing Monday (May 19).
15 May 2014, 06:14 PM ET
The lovable monkey and the Man with the Yellow Hat launch to the Red Planet, and deliver a Curiosity-type rover.
15 May 2014, 07:30 AM ET
Whenever humans finally touch down on Mars, they'll be following in the footsteps of many brave robotic pioneers. Unmanned missions to the Red Planet have greatly increased scientists' and engineers' ability to eventually pull off a manned Mars effort.
14 May 2014, 01:29 AM ET
Even though it may only be a lump of porous rock, Phobos isn’t shy about hogging the limelight in this space wallpaper taken by ESA’s Mars Express.
09 May 2014, 03:24 PM ET
Bill Nye — the creator and star of the 1990s hit TV show "Bill Nye the Science Guy" — thinks that entertainment can help raise scientifically literate kids.
09 May 2014, 06:25 AM ET
One company wants you to make this Mother's Day out of this world by naming features on Mars for moms on Earth.
08 May 2014, 04:57 PM ET
British planetary scientist Colin Pillinger, whose single-minded determination all but forced the European Space Agency to launch the ill-fated Beagle 2 lander to Mars in 2003, is dead at 70.
08 May 2014, 06:30 AM ET
The Netherlands-based nonprofit Mars One, which aims to establish a Red Planet settlement beginning in 2025, announced Monday (May 5) that it had sliced its pool of potential colonists from 1,058 down to 705.
06 May 2014, 03:18 PM ET
The 1-ton Curiosity rover bored into a slab of Martian sandstone dubbed "Windjana" on Monday evening (May 5). Curiosity will use its scientific instruments to analyze the powder collected during this drilling operation in the coming days.
06 May 2014, 07:01 AM ET
Researchers have proposed putting a plant-growth experiment on NASA's next Mars rover, which is scheduled to land on the Red Planet in early 2021. The investigation could help lay the foundation for the colonization of Mars, its designers say.
03 May 2014, 01:59 PM ET
Stargazers have a chance to see the five brightest planets in the May night sky, weather permitting. Here's how to see Jupiter, Saturn, Mercury
02 May 2014, 04:26 PM ET
Earth may pass through the dust trails of Comet 209P/LINEAR's past orbits, and predictions range from 100 to a 'stormy' 1000 meteors an hour. Also, great views of Saturn, Mars and comet PanStarrs (C/2012 K1) will be available throughout the month.
01 May 2014, 02:05 PM ET
Models show that Mars should be about as big as Earth if gas and dust were distributed smoothly throughout the protoplanetary disk that surrounded the newborn sun 4.5 billion years ago. But Mars is just 10 percent as massive as our world.