23 January 2014, 08:45 AM ET
Fresh of a mock mission to Mars, SPACE.com contributor Elizabeth Howell will host an exciting "Ask Me Anything" session on Reddit today (Jan. 23) to answer your questions on what it is like to experience a simulated trip to the Red Planet.
23 January 2014, 08:41 AM ET
NASA's Jet Propulsion Laboratory tested its G-FOLD divert algorithm experimental landing system aboard the Masten rocket in Sept. 2013. This algorithm allows the rocket to autonomously select an alternate landing site.
23 January 2014, 07:11 AM ET
When the supermassive black hole at the center of the Milky Way consumes an incoming cloud of gas, NASA’s Swift telescope will be on the scene.
23 January 2014, 06:32 AM ET
A fresh satellite for NASA's communications network is set for launch from Florida's Space Coast on Thursday (Jan. 23) to bolster voice and data links between mission control, the International Space Station and a fleet of orbiting research observatories.
22 January 2014, 06:30 PM ET
The sun is our nearest star and the source of all our light and heat on Earth but recent reports have highlighted an ongoing steep decline in solar activity.
22 January 2014, 04:37 PM ET
A seamstress, with assistance from three others, creates a possible replacement sunshade for the Skylab Orbital Workshop.
22 January 2014, 04:00 PM ET
An exploding star has suddenly appeared in the night sky, dazzling astronomers who haven't seen a new supernova this close to our solar system in years.
22 January 2014, 03:29 PM ET
The light from an exploding star in the Messier 82 (M82) galaxy was first photographed from Earth on January 22nd, 2013. The galaxy is ~12 million light years away so the explosion occurred about 12 million years ago.
22 January 2014, 03:06 PM ET
A popular, historic and huge NASA tour spot is closing to the public as the space agency picks up the pace preparing for the future of U.S. space exploration. Public tours into the Vehicle Assembly Building in Florida are set to end on Feb. 11.
22 January 2014, 02:52 PM ET
It's official: the bill re-naming the NASA's Hugh L. Dryden Flight Research Center in southern California for the first man to walk on the moon is now a law.
22 January 2014, 01:01 PM ET
For the first time, astronomers have found direct evidence that the dwarf planet Ceres contains water, and that water may erupt from icy volcanoes on its surface. Using European Space Agency’s Herschel Space Observatory, scientists detected water vapor.
22 January 2014, 01:00 PM ET
Ceres is a dwarf planet, the only one located in the inner reaches of the solar system. It is the largest object in the asteroid belt.
22 January 2014, 12:11 PM ET
To see the quick movement of the moon, observers need a set of bright markers across the sky, exactly the kind of signposts in the night sky this week. Two bright stars and three bright planets mark the moon’s path across the sky.
22 January 2014, 11:59 AM ET
See photos and images of Ceres, a dwarf planet and the largest asteroid in the solar system yet known. Ceres is round and may contain more fresh water than the entire Earth. NASA's Dawn spacecraft will explore Ceres in 2015.
22 January 2014, 11:02 AM ET
As SPACE.com contributor Elizabeth Howell's Mars mission in the Utah desert comes to a close, she reflects on the commitment it takes to 'live' on the Red Planet, from maneuvering in a spacesuit to simulating zero gravity surgery.
22 January 2014, 10:20 AM ET
The VLT Survey Telescope at ESO's Paranal Observatory in Chile has captured this richly detailed space wallpaper of the Lagoon Nebula. This giant cloud of gas and dust is creating intensely bright young stars, and is home to young stellar clusters.
22 January 2014, 10:00 AM ET
NASA's Fermi telescope has captured the first gamma-ray measurements of a gravitational lens, a rare natural alignment in which a massive body distorts light from a more distant object.
22 January 2014, 10:00 AM ET
A new exhibition opening today (Jan. 22) transforms the floor of a museum in New York City into the fictional insides of a spaceship.
22 January 2014, 08:00 AM ET
A pink lagoon glows in the Milky Way. New photos taken by a telescope in Chile put the Lagoon Nebula — a giant cloud of gas and dust located 5,000 light-years from Earth — on rosy display.
22 January 2014, 07:28 AM ET
The 58 proposals are double the usual number submitted during such instrument competitions, NASA officials said. The agency has begun reviewing the ideas and expects to choose the final science gear for the 2020 Mars rover in the next five months.
22 January 2014, 07:01 AM ET
Dark matter — the elusive stuff that is thought to make up most of the known universe — is almost certain to reveal itself during the next decade, says a researcher.
22 January 2014, 06:00 AM ET
110 light-years across and 5000 lights year from Earth, the Lagoon Nebula (M8, NGC 6523) is one of just two star-forming regions visible to the unaided eye from the northern hemisphere. Europe's VLT Survey Telescope in Chile capture these images.
21 January 2014, 06:12 PM ET
Spirit and Opportunity, the Mars rovers, have outlived and outlasted any spacecraft on the surface of the red planet. Take a look at some of their latest Mars photos.
21 January 2014, 05:57 PM ET
The collapsible, flexible spacecraft could be a good fit for the marshy surface of Titan, which features lakes and seas of liquid ethane and methane.
21 January 2014, 05:22 PM ET
Giant wind turbines appear as white specks across the Thames Estuary in the United Kingdom, in this satellite photo of the London Array, the world's largest offshore wind farm.
21 January 2014, 05:00 PM ET
A European spacecraft orbiting Venus captured high-resolution images of gravity waves in the clouds whirring above Earth's nearest neighbor. The ripples could help scientists understand how Venus' hellish surface influences its atmosphere
21 January 2014, 04:35 PM ET
A mystery rock on Mars that suddenly appeared in front of NASA's Opportunity rover may look like a tasty donut, but it is like nothing ever seen on the Martian surface before, scientists say.
21 January 2014, 02:21 PM ET
Mars Rovers Spirit and Opportunity are 6-wheeled, remotely operated explorers on the planet Mars.
21 January 2014, 02:16 PM ET
This space wallpaper is an artist's illustration showing one of three newly discovered planets in the star cluster Messier 67. Image released Jan. 15, 2014.
21 January 2014, 01:54 PM ET
Since 1950, average temperatures have increased 1.1°F to an average of 58.3° in 2013. Increase in greenhouse gas levels continue to drive the temperature increase.
21 January 2014, 01:04 PM ET
Scientists hope that in just a few months they may get a confirmation of whether accelerated expansion of the universe did indeed take place in the first fleeting moments after the Big Bang.
21 January 2014, 12:16 PM ET
SpaceX marked another milestone in its quest to build a spaceship that could deliver American astronauts into orbit. The commercial spaceflight company dropped a human-rated version of its Dragon capsule into the Pacific Ocean to test out its parachutes.