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07 August 2015, 05:15 PM ET
NASA's NEOWISE mission has tracked down an elusive family of asteroids that shun regular orbits in the asteroid belt, instead preferring a crazy roller coaster ride through the solar system's equatorial plane.
07 August 2015, 04:45 PM ET
The Defense Advanced Research Projects Agency (DARPA) awarded Boeing, Northrop Grumman and Masten Space Systems new contracts to continue their work under "Phase 1B" of the XS-1 space plane program.
07 August 2015, 01:40 PM ET
Ceres, a dwarf planet that lies between Mars and Jupiter, appears to have significantly fewer craters on its surface than expected — now scientists have to figure out why.
07 August 2015, 01:40 PM ET
Over the next few nights, observers with clear skies and a great view of the low western horizon may be able to observe a triple conjunction between the planets Mercury and Jupiter and the bright star Regulus.
07 August 2015, 12:42 PM ET
About a third of our Milky Way's stars have migrated far from their birth-places. Astrophysicists, using the Apache Point Observatory's Galactic Evolution Explorer spectrograph, profiled the chemical signatures of 146,000 stars.
07 August 2015, 09:45 AM ET
Tory Bruno, the president and chief executive of United Launch Alliance, took to Twitter to discuss the heritage of his company's new Vulcan rocket.
07 August 2015, 09:45 AM ET
Astronomers have announced the discovery of a truly monstrous structure consisting of a ring of galaxies around 5 billion light-years across — and it defies cosmological theory.
07 August 2015, 07:00 AM ET
Saturn will shine during the month of August, and with luck stargazers will be able to catch a glimpse of Mars and Venus if they know when to look with this day-by-day breakdown.
07 August 2015, 06:01 AM ET
Former NASA astronaut Pamela Melroy recently shared her experiences and insights about spaceflight and exploration.
06 August 2015, 08:51 PM ET
A comet carrying a robotic hitchhiker is barreling toward its closest approach to the sun next week, and you can learn about the icy wanderer's highly anticipated "perihelion passage" during a webcast early Saturday morning (Aug. 8).
06 August 2015, 04:11 PM ET
Astronaut Jerry Ross, who shares the world record for the most flights into outer space, has been decorated with military and NASA medals, awarded an honorary doctorate and enshrined into a hall of fame. But Ross' next accolade may be a nod above them all
06 August 2015, 03:06 PM ET
The annual Perseid meteor shower peaks every August and is often the most dazzling meteor display of the year.
06 August 2015, 02:30 PM ET
With or without 3D glasses, a newly released video tour of Ceres offers a new perspective on the dwarf planet's dramatic and diverse surface.
06 August 2015, 01:36 PM ET
Africa looked awash in splotches of dusty pink, vibrant green and a swirl of white clouds in an image snapped Tuesday (Aug. 4) by Europe's newest weather satellite, according to an announcement from the European Space Agency.
06 August 2015, 01:30 PM ET
NASA formally notified Congress Aug. 5 that it is issuing a $490 million extension of an existing contract to purchase Soyuz seats from the Russian space agency, saying that it was forced to do so because of cuts in the agency’s commercial crew program.
06 August 2015, 11:23 AM ET
Scientists remain puzzled as to the composition of bright material on a tall cone-shaped peak, as imaged by NASA’s Dawn spacecraft. The mountain is odd in that it is not the central spire of a crater.
06 August 2015, 10:45 AM ET
The U.S. Senate approved a bill Aug. 4 that extends two key provisions of commercial launch law and authorizes operations of the ISS beyond 2020.
06 August 2015, 07:04 AM ET
While it's not quite beaming onto a spacecraft, a "Star Trek" celebrity will take part in a special NASA flight to observe the universe.
06 August 2015, 07:00 AM ET
Here's a rundown of the six exoplanets NASA regards as the most Earth-like alien worlds discovered to date.
06 August 2015, 07:00 AM ET
One year ago today (Aug. 6), Europe's Rosetta spacecraft slipped into orbit around a comet and began making observations that would reshape researchers' ideas about these icy leftovers from the solar system's early days.
06 August 2015, 12:05 AM ET
The Deep Space Climate Observatory spacecraft recently caught the moon crossing Earth's face in a stunning video that shows off the mysterious lunar far side.
05 August 2015, 04:36 PM ET
The newfound galaxy, known as EGSY8p7, lies about 13.2 billion light-years from Earth — meaning astronomers are now seeing the mass of stars as it existed just 600 million years or so after the Big Bang that created the universe.
05 August 2015, 04:15 PM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in July 2015.
05 August 2015, 01:40 PM ET
NASA's Swamp Works development team wants to put drones on Mars, distant moons and the airless, sunless landscapes on asteroids.
05 August 2015, 01:01 PM ET
For the first time, astronomers have spotted a protogalactic disk — a giant whirling cloud of gas that gives birth to a galaxy — and the discovery could reveal clues about how galaxies form.
05 August 2015, 01:00 PM ET
Re-entry is ongoing for the crew that spent eight months in Hawaii simulating a Mars mission.
05 August 2015, 01:00 PM ET
Thirty-two exoplanets will get new names that were chosen in an open vote by the general public. The naming announcement will come next week (Aug. 11) at an international meeting of astronomers.
05 August 2015, 10:26 AM ET
Orbiting 1 million miles ‘sunward’ of Earth, a four megapixel CCD camera/telescope captured Luna crossing over the Pacific Ocean from the Deep Space Climate Observer’s point of view on July 16th, 2015.
05 August 2015, 09:53 AM ET
Escape Dynamics of Colorado is developing remotely powered thrust systems for trans-atmospheric spacecraft. Offloading the mass of fuel and large engines could empower “single-stage-to-orbit" reusable vehicles.
05 August 2015, 07:50 AM ET
From the safety of space, NASA observed the most powerful storm of the year.
05 August 2015, 07:34 AM ET
The sun's ultimate destiny will mirror the vivid new photos of this ghostly bubble, the glowing remnant of a slowly dying star.
05 August 2015, 07:09 AM ET
The remains of a dying star, planetary nebula ESO 378-1, have been imaged by the European Southern Observatory's Very Large Telescope. These type of nebula are created from a star's death throws, as gas is ejected and expands.