22 September 2015, 05:30 PM ET
Buzz Aldrin set foot on the moon, and his new book encourages kids to take the first steps onto Mars.
22 September 2015, 12:47 PM ET
A new video called "To Scale: The Solar System" does its best to teach viewers just how vast our cosmic backyard really is, by creating a scale model of Earth's neighborhood in Nevada's Black Rock Desert.
18 September 2015, 10:25 AM ET
To convincingly present his film’s portrayal of the planet, Sir Ridley Scott has become intimate with Mars. He here lends his voice to a NASA-scripted promotional video about the agency’s exploration plans.
18 September 2015, 07:51 AM ET
Halfway through his 342-visit to the ISS, astronaut Scott Kelly talks about what he's looking forward to, and what he misses.
18 September 2015, 07:00 AM ET
NASA has been overly optimistic about its manned Red Planet plans in the past. But the agency's current goal of getting astronauts to Mars by the end of the 2030s is eminently achievable, NASA chief Charles Bolden said.
17 September 2015, 02:22 PM ET
Lead actor Matt Damon describes how Ridley Scott's film – and Andy Weir's book – can perk students’ curiosity, in this conversation with Space.com's @DavidSkyBrody at NASA's Jet Propulsion Lab.
17 September 2015, 01:08 AM ET
In this artist's conception, SpaceX's Dragon spacecraft lands on Mars.
17 September 2015, 12:41 AM ET
This fantastic space wallpaper depicts what one artist envisions as the scene when SpaceX's Dragon spacecraft lands on Mars.
16 September 2015, 03:00 PM ET
French designers propose an innovative shelter for Mars.
16 September 2015, 07:21 AM ET
A sweeping new panorama from NASA's Curiosity rover shows petrified sand dunes stretching across the jagged Mount Sharp on Mars.
15 September 2015, 01:00 PM ET
Abigail Harrison, known on social media as 'Astronaut Abby,' has launched The Mars Generation, a nonprofit organization to get people excited again about space exploration.
13 September 2015, 02:37 AM ET
NASA's New Horizons spacecraft beamed home incredible new images of Pluto, scientists found a giant buried ice sheet on Mars and Elon Musk chatted with Stephen Colbert about the future of spaceflight. Here are Space.com's top stories of the week.
11 September 2015, 05:09 PM ET
A new antenna design could permit Mars rovers to contact Earth directly, rather than through a spacecraft orbiting the Red Planet, and increase total communication time.
11 September 2015, 10:56 AM ET
The storm that's the catalyst to the story wreaks havoc in this clip form the upcoming movie, premiering in October 2015.
10 September 2015, 12:24 PM ET
Elon Musk appeared on "The Late Show with Stephen Colbert," to talk about dropping nuclear bombs on Mars and a creepy new snake robot built to charge electric cars.
10 September 2015, 09:01 AM ET
A giant slab of ice as big as California and Texas put together lurks just beneath the surface of Mars between its equator and north pole, researchers say. This ice may be the result of snowfall tens of millions of years ago on the Red Planet.
10 September 2015, 09:00 AM ET
The "Red Dragon" sample-return mission would grab samples collected by NASA's 2020 Mars rover and send them rocketing back toward Earth, where researchers could scrutinize the material for possible signs of past Red Planet life.
09 September 2015, 11:00 AM ET
If you want to see an eye-catching celestial display involving a slender crescent moon and two bright planets, then be sure to set your alarm clock to wake you up an hour before sunrise on Thursday morning (Sept. 10).
08 September 2015, 05:24 PM ET
If Scott Kelly were aboard a spaceship on its way to Mars, rather than on the International Space Station where has been for the last six months, he would be arriving at the Red Planet just about now.
05 September 2015, 06:46 PM ET
The Star Wars toys awaken, a looming 'supermoon' eclipse overshadows a solar eclipse, and hoverboard technology aims for the stars in Space.com's best stories for this week.
04 September 2015, 07:45 AM ET
The subjects of the new Web series "Citizen Mars" aim to become astronauts with the Netherlands-based nonprofit Mars One. That group plans to land four people on the Red Planet in 2027, kicking off a permanent colony there.
03 September 2015, 03:05 PM ET
To convincingly play an astronaut, you need a technically accurate script. Science-fan Matt Damon tells Space.com's @DavidSkyBrody. why he's thrilled to 'inhabit' Mars castaway Mark Watney, central character of author Andy Weir's book.
01 September 2015, 07:33 AM ET
Eye-popping Venus, low-riding Mercury and stealthy Saturn will all make appearances among the bright objects in September's night sky, and this day-by-day description shows how to find them.
31 August 2015, 06:01 PM ET
Six scientists will live together, but totally isolated from the rest of the world, in a mock Mars colony for 365 days to learn about the psychological toll of a mission to Mars.
31 August 2015, 02:30 PM ET
Stephen Petranek thinks humans will live on Mars within 20 years, and he states his case in a new book, "How We'll Live on Mars."
28 August 2015, 07:00 AM ET
Whizzing across the solar system to a pinpoint landing is still just a dream for robotic spacecraft engineers — but a new technology co-developed at the Jet Propulsion Laboratory (JPL) could make distant destinations easier to reach precisely.
27 August 2015, 06:19 PM ET
The author of "The Martian" suspects a lack of cooperation from Congress will push NASA's first manned mission to the Red Planet back to the middle of the century.
27 August 2015, 05:05 PM ET
NASA's next nuclear-powered Mars rover, slated to launch in 2020, is slowly coming together. And while the Mars 2020 mission is largely based on NASA's Mars rover Curiosity now exploring the Red Planet, there are a variety of distinctions that set it apar
27 August 2015, 04:07 PM ET
A fictional Neil deGrasse Tyson of the future, played by Neil Tyson, unveils an excerpt of an episode of 'Star Talk' (that looks very similar to his 'Cosmos: A Spacetime Odyssey' role) to talk about the Hermes spaceship, the Ares mission and Mars.
27 August 2015, 07:00 AM ET
The "Mars Hoax" has been popping up every Aug. 27 since 2003, when it was born in a widely misinterpreted email. The sender of that message was trying to get people excited about an unusually close approach of Mars to Earth in late August 2003.
26 August 2015, 06:43 AM ET
Three new spectacular 3D images of a Mars chasm show gullies shaped by erosive forces on the Red Planet.
26 August 2015, 06:40 AM ET
Today's spacecraft feature sensitive gear that may not be able to withstand the extreme heat treatment that sterilized previous Red Planet explorers such as NASA's Viking landers, said Penelope Boston.
25 August 2015, 06:30 AM ET
How much of the technology in "The Martian" actually exists, or is in the works, today? Read on to find out what NASA's developing for real-life manned Mars exploration.
25 August 2015, 06:00 AM ET
The biggest challenges facing the private Mars One colonization project are financial rather than technical, so a big donation from a deep-pocketed person concerned about his or her legacy could make a huge difference, group representatives said.
23 August 2015, 03:33 PM ET
Scientists created a "magnetic wormhole" in the lab, a Canadian company got a patent for a huge inflatable space elevator and the mystery of the "singing" comet may be solved. Here are Space.com's top stories of the week.
20 August 2015, 04:50 PM ET
"The Martian" star Matt Damon, director Ridley Scott and Andy Weir, who wrote the book on which the movie is based, visited NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, on Tuesday (Aug. 18).