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09 February 2015, 10:35 AM ET
The launch of a new satellite designed to monitor space weather has been delayed another day.
09 February 2015, 08:00 AM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
09 February 2015, 07:11 AM ET
A NASA rover on Mars is getting another taste of an ancient Martian mountain. The space agency's Curiosity Mars rover arrived at Mount Sharp in Gale Crater about five months ago, and since then, the 1-ton robot has drilled two samples from the tall mounta
09 February 2015, 07:10 AM ET
The definition of dark matter usually suggests that it doesn't interact with light at all, but that may not be entirely true. Two scientists say they may have a new way to find out just how dark is dark matter.
09 February 2015, 07:09 AM ET
Neil Armstrong had a secret stash of moon landing mementos. The first man to walk on the moon kept a bag full of small parts from the lunar module that he and his Apollo 11 crewmate Buzz Aldrin famously piloted to a landing at Tranquility Base in 1969.
08 February 2015, 06:29 PM ET
The commercial launch company SpaceX aborted the planned launch of a long-awaited space weather satellite and a novel rocket landing test Sunday due to problems with a U.S. Air Force radar tracking system.
08 February 2015, 09:06 AM ET
From Jupiter and the moon's dance to a mock mission on Mars, this has been a big week for news. Here are Space.com's picks for the biggest space stories of the week.
08 February 2015, 08:01 AM ET
From three moons transiting Jupiter to Pluto and it's moon, don't miss these amazing space images of the week for Feb. 8, 2015.
08 February 2015, 02:32 AM ET
The private spaceflight company SpaceX will attempt the ultimate space double-header today (Feb. 8) with the launch of a space weather observatory followed by an ambitious rocket landing attempt on a floating platform in the Atlantic Ocean.
07 February 2015, 02:22 PM ET
When SpaceX launches a long-delayed satellite on Sunday, the company hopes to do the amazing: return a rocket to Earth and land it on a floating platform in the Atlantic Ocean.
07 February 2015, 11:05 AM ET
The Deep Space Climate Observatory (DSCOVR) will monitor the solar winds and give NOAA forecasters better lead time for solar storms that can affect satellites, communication and power grids on Earth.
06 February 2015, 08:44 PM ET
The icy moon Europa is perhaps the most tantalising destination in our solar system.
06 February 2015, 05:40 PM ET
Watching a meteor shower on a clear, dark night is an unforgettable experience.
06 February 2015, 04:45 PM ET
Over the next two weeks, you have an excellent chance to spot one of the most rarely observed objects in the sky, the zodiacal light.
06 February 2015, 03:53 PM ET
Move over astronaut freeze-dried ice cream, Russian space food tubes have arrived. The All-Russian Exhibition Center in Moscow is now selling authentic cosmonaut food to the public through a new vending machine.
06 February 2015, 03:00 PM ET
See photos and images from the European Space Agency's Planck spacecraft built to map faint radiation from the Big Bang.
06 February 2015, 01:41 PM ET
The Milky Way galaxy is more than just stars: A spectacular new image captures the gas, dust, particles and magnetic fields that also occupy this cosmic neighborhood.
06 February 2015, 11:13 AM ET
The long-delayed Deep Space Climate Observatory (DSCOVR) will orbit at the L1 Lagrange Point in the sun-Earth system, to monitor the solar wind and forecast space weather at Earth.
06 February 2015, 09:15 AM ET
It's a Red Planet two-for-one! A spacecraft orbiting Mars snapped an amazing photo of another probe on the Martian surface.
06 February 2015, 07:30 AM ET
Dawn captured the new images on Wednesday (Feb. 4), when the probe was 90,000 miles (145,000 kilometers) from Ceres, the largest object in the main asteroid belt between Mars and Jupiter.
06 February 2015, 07:20 AM ET
The Moon has long been viewed as a crucial component in creating an environment suitable for the evolution of complex life on Earth, but a number of scientific results in recent years have shown that perhaps our planet doesn't need the Moon as much as we
06 February 2015, 07:00 AM ET
In 1938, Orson Welles narrated a radio broadcast of “War of the Worlds” as a series of simulated radio bulletins of what was happening in real time as Martians arrived on our home planet. The broadcast is widely remembered for creating public panic, altho
06 February 2015, 07:00 AM ET
All seven crewmembers, who will spend two weeks at the Mars Desert Research Station near the Utah town of Hanksville, are astronaut candidates for Mars One's Red Planet colonization effort.
05 February 2015, 05:34 PM ET
The end of the universe's dark ages and the birth of the first stars occurred about 100 million years later than was previously thought, according to new research.
05 February 2015, 05:26 PM ET
DARPA’s Airborne Launch Assist Space Access program (ALASA) plans to create a low cost (less the 1 millions dollars per launch) alternative for small satellite launches.
05 February 2015, 04:25 PM ET
Jupiter will dazzle all night long for the entire month, and if you’re awake in the early morning hours, look for the ringed wonder, Saturn. Skywatchers will also have good opportunuties to see Mercury, Venus and Mars this month.
05 February 2015, 03:00 PM ET
See photos of a rare triple-moon conjunction on Jupiter as the shadows of Europe, Io and Callisto pass across the planet's face on Jan. 24, 2015 as seen by NASA's Hubble Space Telescope and skywatchers.
05 February 2015, 03:00 PM ET
How do you build a universe?
05 February 2015, 02:40 PM ET
If one was to build a universe, here's what you would use.
05 February 2015, 02:11 PM ET
The rare triple-moon conjunction, which Hubble witnessed on Jan. 24, involved Io, Callisto and Europa — three of Jupiter's four Galilean moons (so named because they were discovered by astronomer Galileo Galilei in the early 17th century).
05 February 2015, 02:10 PM ET
As enormous new telescopes come online, get ready to imagine the universe in a whole new light.
05 February 2015, 01:29 PM ET
NASA's Dawn Mission, tentatively scheduled for orbital insertion on March 6th, 2015, shot new images from about 90,000 miles distance. Ceres contains about a third of the entire mass of the Main Belt asteroids.