09 October 2014, 02:01 PM ET
Many "warm Jupiter" alien worlds were probably pulled into their puzzling orbits by nearby planetary neighbors circling on a different plane. The results suggest that not all planetary systems are "flat" like our own solar system, researchers said.
09 October 2014, 07:00 AM ET
Space agency scientists are developing two separate mission concepts, called Lunar Flashlight and the Resource Prospector Mission, to assess, and learn how to exploit, stores of water ice and other lunar resources. Both would launch by 2018.
09 October 2014, 07:00 AM ET
After a 40-year search, astronomers have apparently found the first Thorne-Zytkow object, a hypothesized hybrid star thought to form when a red supergiant swallows a neutron star.
08 October 2014, 05:30 PM ET
The building phase of the $1.4 billion Thirty Meter Telescope kicked off today with a groundbreaking/dedication ceremony near the top of Hawaii's Mauna Kea. If all goes according to plan, TMT should begin observing the heavens in 2022.
08 October 2014, 02:38 PM ET
The test flight, scheduled for December 2014, will examine NASA's new spacecraft by flying it farther than any humans have been since the Apollo missions. NASA engineer Kelly Smith takes explains the flight, step by step.
08 October 2014, 01:45 PM ET
The heart of at least one extremely bright X-ray source is a pulsing star rather than a black hole, a find that startled scientists.
08 October 2014, 01:44 PM ET
A black hole that is eating a star faster than scientists had ever thought possible is unleashing unusually bright X-ray signals that may help scientists understand a group of weird, superbright objects in deep space.
08 October 2014, 01:13 PM ET
The gravity of a 'pulsing' neutron star pulls in material from surrounding accretion disk. In this animation, the material is drawn into 2 spots above and below the core and is superheated releasing x-rays.
08 October 2014, 12:00 PM ET
SpaceShipTwo completed an unpowered "glide flight" from California's Mojave Air and Spaceport Tuesday. The vehicle rotated its tail and wings upward during the test, "feathering" them as it would to during the descent phase of a suborbital spaceflight.
08 October 2014, 11:23 AM ET
Space Center Houston is now a member of the Smithsonian's crew. Space Center Houston, which serves as the official visitor center for NASA's Johnson Space Center in Texas, is officially the first museum in Houston to be named a Smithsonian Affiliate.
08 October 2014, 10:50 AM ET
A California energy company is using laser technology originally developed to search for methane on Mars to pinpoint natural gas leaks here on Earth.
08 October 2014, 09:48 AM ET
The sinuous feature, which was imaged on Sept. 30 by NASA's Solar Dynamics Observatory (SDO), extends for about 1 million miles (1.6 million kilometers) — about 100 times the width of Earth, agency officials said.
08 October 2014, 09:25 AM ET
This time-lapse video shows the full moon slowly darken and grow reddish during the total lunar eclipse of 8 October 2014. Note that there is no sound; no narration.
08 October 2014, 09:00 AM ET
The early-morning total lunar eclipse of Wednesday, Oct. 8, will be a moon sight to see for stargazers around the world. See when and how to observe the second total lunar eclipse of 2014 with this step-by-step guide of the moon event.
08 October 2014, 09:00 AM ET
An analysis of rocks brought back to Earth by NASA's Apollo missions suggests that most of the water trapped in rocks on the moon's surface originated from streams of solar particles rather than comet impacts.
08 October 2014, 08:59 AM ET
A total lunar eclipse is set to rise above people across a large swath of the world Wednesday (Oct. 8). Find Space.com's complete coverage of the event here.
08 October 2014, 08:54 AM ET
The moon passed through Earth's shadow on Oct. 8, 2014, marking a total lunar eclipse, the second of 2014, in a stunning blood moon. See photos of the amazing lunar eclipse in this Space.com gallery.
08 October 2014, 08:44 AM ET
The moon turned an eerie blood-red hue during a total lunar eclipse early Wednesday (Oct. 8) in an epic skywatching treat for amateur astronomers. See the amazing photos and their impressions of the lunar event.
07 October 2014, 10:54 PM ET
This space wallpaper is an artist's concept of the silhouette of the extrasolar planet HAT-P-11b as it passes its parent star.
07 October 2014, 04:34 PM ET
Edward C. Stone, now Thirty Meter Telescope Board's Vice-Chair, explains the technical specifications of the telescope and the science it will produce. Groundbreaking for the telescope occurred near the summit on Mauna Kea, Hawaii on Oct. 7th, 2014.
07 October 2014, 04:32 PM ET
An architect with an interest in spaceflight has drafted a design to relaunch the display of a Saturn V moon rocket in Houston. Brantley Hightower's idea for a glass-fronted building came after he visited the booster at NASA's Johnson Space Center.
07 October 2014, 04:21 PM ET
With its adaptive optics and much larger aperture, the ‘TMT’ will deliver finer detail than the Hubble Space Telescope. Groundbreaking for the telescope occurred near the summit on Mauna Kea, Hawaii on October 7th, 2014.
07 October 2014, 03:56 PM ET
Astrophotographer Chris Bakley took this image from Cape May, New Jersey on Aug. 27, 2014.
07 October 2014, 02:49 PM ET
Two astronauts ventured outside the International Space Station to do some maintenance and repair work during a more than six-hour spacewalk today (Oct. 7).
07 October 2014, 01:57 PM ET
Amateur astronomer Victor Rogus talks about his experiences observing total lunar eclipses.
07 October 2014, 01:34 PM ET
Weather prospects for Wednesday's total lunar eclipse are great for observers hoping to catch a glimpse of the 'blood moon' from around the United States.
07 October 2014, 10:20 AM ET
See photos of NASA's Reid Wiseman and European Space Agency astronaut Alexander Gerst taking their first spacewalk outside the International Space Station.
07 October 2014, 10:00 AM ET
A total lunar eclipse will rise Wednesday (Oct. 8), and even if you can't see the full "blood moon" rise from your city, you can watch it online via two webcasts.
07 October 2014, 08:00 AM ET
A lunar eclipse will take place on Oct. 8, 2014. See how to see it with the sky maps in this Space.com gallery.
07 October 2014, 07:01 AM ET
Two astronauts will venture outside the confines of the International Space Station for a spacewalk today (Oct. 7).
07 October 2014, 07:00 AM ET
Huge galaxies have to eat their neighbors to keep growing, a new study reveals. A survey of 22,000 galaxies showed that the largest among them are nowhere near as good at creating stars as smaller ones. Instead, the massive galaxies snack on dwarf galaxie
07 October 2014, 12:13 AM ET
See images of the planned Thirty Meter Telescope, a giant observatory to peer deep into the universe from a mountaintop in Hawaii.