06 March 2014, 04:21 PM ET
The 25-foot-wide (8 meters) asteroid 2014 EC came within 38,300 miles (61,600 kilometers) of our planet at 4:21 p.m. ET today, NASA officials said. For comparison, the moon orbits Earth at an average distance of 239,000 miles (385,000 km).
06 March 2014, 02:55 PM ET
On March 6th, 2014, a meteor slammed into the Earth's atmosphere and burned up over the night skies of north central New Mexico. Thomas Ashcraft captured the sights with a his fireball camera and the sounds with a forward-scatter meteor radar.
06 March 2014, 02:46 PM ET
The Winklevoss twins launched into the headlines Wednesday (March 5) by announcing their plan to ride a Virgin Galactic space plane (and paying with Bitcoins, no less), but they aren't the first set of identical twins to fly in space.
06 March 2014, 02:02 PM ET
A huge meteorite impact on Mars was so powerful that it blasted a bunch of Red Planet rocks in Earth's direction five million years ago. The cosmic crash is the source of all "shergottite" Martian meteorites found on Earth, researchers say.
06 March 2014, 01:57 PM ET
Harlan Ellison is well-known in science fiction circles — in fact, considered a modern master of science fiction, and one of his most critically acclaimed stories came from the "Star Trek: The Original Series" episode "City on the Edge of Forever."
06 March 2014, 01:28 PM ET
It's hard to imagine the late astronomer Carl Sagan gracing the glossy pages of GQ wearing one of his turtlenecks and corduroy blazers. But it's a different story for the men who are launching a stylish reboot of Sagan's beloved "Cosmos" TV series.
06 March 2014, 01:20 PM ET
Several of the asteroids that have been spotted passing with the orbits of the moon and even Earth's communications satellites.
06 March 2014, 12:43 PM ET
Green airglow shimmers atop translucent clouds as the Milky Way rises over a remote island off the northwest coast of Africa in a majestic photo recently sent to Space.com.
06 March 2014, 12:42 PM ET
As spiral galaxy ESO 137-001 zooms through the super hot gas of the Norma cluster, much of it's own gas is pulled away in a process called 'ram pressure stripping. The threads of gas left behind give birth to bright young stars, seen here in blue.
06 March 2014, 12:27 PM ET
The research center (formerly Dryden F.R.C.) is testing next generation airplanes with plans to increase their efficiency and design. The flight center was renamed after Neil Armstrong, the first moonwalker.
06 March 2014, 11:21 AM ET
The new TV show "Cosmos" isn't just for science nerds and space geeks. The producers of the show want to reach everyone with their broad, visually stunning approach to science.
06 March 2014, 11:07 AM ET
The spiral galaxy ESO 137-001 looks like a dandelion caught in a breeze in this stunning space wallpaper from Hubble Space Telescope.
06 March 2014, 10:43 AM ET
A tiny model (2 percent actual size) of the proposed Space Launch Systems was tested fired by Marshall Flight Center engineers to provide data on convective heating environments during ascent of the actual rocket.
06 March 2014, 10:33 AM ET
Facebook is in talks to buy a drone company that manufactures ultra-lightweight, solar-powered planes that are designed to fly high above commercial air traffic and can impressively remain aloft for up to five years, according to news reports.
06 March 2014, 10:22 AM ET
A space rock in the asteroid belt, named P/2013 R3, has fragmented into as many as 10 pieces. The four largest fragments are larger that 2 football fields each. Astronomers are investigation the cause with the help of the Hubble Space Telescope.
06 March 2014, 10:18 AM ET
Photos of the NASA-funded sounding rocket mission including some stunning shots of the launch—straight into an aurora over Venetie, Alaska.
06 March 2014, 10:02 AM ET
Three of NASA's top meteor and fireball experts will answer questions from the public about the science behind space rocks from the sky today in a Reddit "Ask Me Anything" forum today live at 2 p.m. EST (1900 GMT).
06 March 2014, 08:51 AM ET
The Remote Robotic Oxidizer Transfer Test (RROxiTT) was successfully completed when a unique propellant transfer system (PTS) pumped fuel in to mock tank at the NASA KSC (Florida), while being controlled at NASA Goddard (Maryland).
06 March 2014, 08:35 AM ET
Do you remember the first time you saw 'Cosmos'? Or the first time you heard Carl Sagan's voice tell you that you, too, were made of star stuff? How did Carl Sagan inspire you?
06 March 2014, 07:30 AM ET
The space agency's Cassini probe snapped the photo in October, when it was 1.6 million miles from Saturn and 38 degrees below the ring plane. The planet's battered "Death Star" moon Mimas is visible as a pinprick of light at the bottom right.
06 March 2014, 07:00 AM ET
The private spaceflight company will be ready to compete for Air Force contracts using its new Falcon rocket soon, Elon Musk, the billionaire founder of SpaceX said today (March 5) during a U.S. Senate Appropriations Subcommittee on Defense hearing.
06 March 2014, 07:00 AM ET
Internet entrepreneurs and Olympic athletes Cameron and Tyler Winklevoss, whose dispute with Facebook founder Mark Zuckerberg was chronicled in film "The Social Network," have bought seats aboard Virgin Galactic's suborbital SpaceShipTwo.
06 March 2014, 07:00 AM ET
The 33-foot-wide (10 meters) near-Earth asteroid 2014 EC will come within 34,550 miles (55,600 kilometers) of Earth's surface this afternoon (March 6). You can watch the flyby here at Space.com beginning at 2:00 p.m. ET.
05 March 2014, 06:43 PM ET
A space rock named 2014 EC (discovered March 5th, 2014, estimated 13-45 feet-wide) will give Earth a close shave on March 6th. This is the second asteroid that has flown between the Earth and moon in consecutive days.
05 March 2014, 05:10 PM ET
When Carl Sagan's beloved 13-part "Cosmos" series first aired in 1980, it was broadcast on PBS. But a new reboot of the show, hosted by Neil deGrasse Tyson, will launch in a much splashier fashion when it premieres on Fox and National Geographic Channel.
05 March 2014, 05:00 PM ET
See amazing photos of Saturn's glorious rings.
05 March 2014, 04:18 PM ET
Mercury, the elusive planet that orbits closest to the sun, makes an appearance this month in the dawn sky.
05 March 2014, 04:07 PM ET
Asteroid 163 Erigone will occult the star Regulus on March 20th, 2014 at 2:06am ET and can be seen in part of the Northeast United States.
05 March 2014, 03:30 PM ET
Rocky Russian relations could leave U.S. astronauts without rides to the International Space Station. For now, the U.S.-Russian space partnership is insulated from the political whirlwind generated by Russia's decision to move troops into Crimea.
05 March 2014, 03:20 PM ET
Astronomers have calculated how fast a distant supermassive black hole rotates, clocking it at nearly half the speed of light. A fortuitious lineup of cosmic objects allowed scientists to measure the mind-boggling spin rate.
05 March 2014, 03:19 PM ET
Amateur astronomer Jeff Johnson of Las Cruces, N.M. captured this stunning view of the orange supergiant star Xi Cygni and the North American Nebula. See how he did it here.
05 March 2014, 02:10 PM ET
Randy Halverson (dakotalapse.com) captured the footage from April-Nov 2013 in South Dakota, Utah and Wyoming. 2 Canon 5D Mark III and 1 Canon 6D cameras were used to create this compilation.