03 July 2014, 02:01 PM ET
Astronomers have for the first time detected a rocky alien world in an Earth-like orbit around just one star in a two-star system. The new find suggests that such worlds may be common, researchers say.
03 July 2014, 02:00 PM ET
Researchers have used data from satellites and ground-based observations to study young stars' oscillation. They have determined that the stars pulse faster as they grow older. FULL STORY: http://goo.gl/f9Wg10 Credit: Pieter Degroot (KU Leuven), ESO
03 July 2014, 02:00 PM ET
Turns out that two candidate planets thought to reside in the habitable zone of red dwarf star Gliese 581 are not planets at all. New research by astronomers at Penn State University finds that the signals were just magnetic activity from the star.
03 July 2014, 02:00 PM ET
3000 light-years from us a cold ’terrestrial’ world, about 2x Earth’s mass, orbits one of a pair of stars which, in turn, orbit one another.
03 July 2014, 12:52 PM ET
The NOAA GOES 13 Satellite captured the storm from July 2-3, 2014. It has been declared a category-1 storm and its gaining strength. (video looped)
03 July 2014, 12:10 PM ET
On July 2nd, 2014, the International Space Station flew 260 miles above the storm, which is now a category 1 hurricane. At the time of the fly-over, it was about 100 miles east-northeast of Cape Canaveral, Florida.
03 July 2014, 11:59 AM ET
The European probe is en route to study comet 67P/Churyumov-Gerasimenko. On June 27-28, 2014, its OSIRIS’ narrow angle camera (NAC) captured the nucleus of the comet rotating at a period of 12.4 hours.
03 July 2014, 10:52 AM ET
The first all-female crew of scientific experimenters prepare experiments that were used during the Space Shuttle/Spacelab missions.
03 July 2014, 10:31 AM ET
For the first time, Space Center Houston is offering a look inside its space shuttle Independence.
03 July 2014, 07:26 AM ET
Despite the summer heat in the Northern Hemisphere, the Earth is actually at its farthest point from the sun today, July 3. Here's how Earth's orbit and its aphelion work.
03 July 2014, 07:23 AM ET
In the wee hours of Friday morning (July 4) Pluto will be opposite the sun in the sky. Called opposition, on Friday at 4 a.m. EDT (0800 GMT), Pluto will rise as the sun sets, and set as the sun rises.
02 July 2014, 04:42 PM ET
Researchers at the University of Michigan have recreated NASA Phoenix mission landing site conditions in their lab and determined that Martian salts must interact with ice to make liquid water. FULL STORY: http://goo.gl/mqEnjD
02 July 2014, 04:34 PM ET
It may seem impossible that water could flow on the frigid surface of Mars, but a new study in a simulated Red Planet environment shows that a type of salt there may melt the ice it touches.
02 July 2014, 03:30 PM ET
Powerful radio signals that Jupiter generates could be used to help researchers scan its giant moons for oceans that could be home to extraterrestrial life, according to a recent study submitted to the journal Icarus.
02 July 2014, 02:32 PM ET
A helicopter attempt to empty sea water from the Liberty Bell 7 fails.
02 July 2014, 11:56 AM ET
Hydra, the sea serpent; Virgo, the maiden; and Ursa Major, the big bear can all be seen in the night sky right now. Hydra lies mainly in the southwestern part of the sky.
02 July 2014, 10:00 AM ET
Scientists are using the powerful Hubble Space Telescope to figure out where to send NASA's Pluto-bound New Horizons probe next — and they've already found some promising leads.
02 July 2014, 06:26 AM ET
Shining brightly in a new picture, cosmic gas cloud Gum 15 is busily giving birth to massive stars that are, in turn, shaping the cloud's weird structure.
02 July 2014, 06:19 AM ET
The space agency's Orbiting Carbon Observatory-2 satellite (OCO-2) blasted off today (July 1) from Vandenberg Air Force Base in California at 5:56 a.m. EDT (0956 GMT), carried aloft by a United Launch Alliance Delta 2 rocket.
02 July 2014, 06:00 AM ET
The Gum 15 nebula will be destroyed by its offspring stars. The La Silla Observatory in Chile observed this future cosmic crime scene in the Vela constellation. The red glow comes from ionized hydrogen. FULL STORY: http://goo.gl/ig8NlB
02 July 2014, 05:50 AM ET
The NASA probe (OCO-2) will increase observations of CO2 levels on Earth and deliver data on its sources and "sinks". It launched aboard a United Launch Alliance Delta II rocket from Vandenberg Air Force Station in California on July 2nd, 2014.
01 July 2014, 11:38 PM ET
See photos from the Expedition 40/41 missions to the International Space Station, with images taken by the outpost's crew.
01 July 2014, 06:40 PM ET
Astronomers are studying the feeding habits of a cosmic cannibal to learn how galaxies grow. The Umbrella Galaxy is surrounded by "crumbs" left over from eating a smaller galaxy.
01 July 2014, 03:25 PM ET
Pluto reaches opposition and can be seen with a medium-sized telescope and dark skies. Dwarf planet Ceres and asteroid Vesta will be quite close to one another on the night sky. But each is a tough target.
01 July 2014, 02:17 PM ET
The oldest microbrewery in Ohio is tapping into the state's connection to space history to offer a "bold, yet balanced" tribute to the Buckeye astronauts. Spacewalker American Belgo is the Great Lakes Brewing Co.'s new handcrafted Belgian-style ale.
01 July 2014, 01:32 PM ET
The Apollo 9 Lunar Module is seen from the command module during the Apollo 9 earth-orbital mission.
01 July 2014, 10:54 AM ET
The July night sky is filled with planets to the delight of stargazers and astronomers, but you'll have to know when and where to look to get your summer solar system fix.
01 July 2014, 10:43 AM ET
See what's up in the night sky for July 2014, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.
01 July 2014, 10:36 AM ET
The Drosophila melanogaster, aka Fruit Fly, shares genes with humans. The Fruit Fly Lab-O1 will fly to Space Station on the 5th SpaceX cargo run.
01 July 2014, 09:48 AM ET
This month's night sky is full of cosmic wonders including planets and other celestial objects galore. Find out what's up in your night sky and how to see it in this Space.com stargazing guide.
01 July 2014, 08:22 AM ET
Images by astronaut Reid Wiseman as he floats above Earth in the International Space Station.
01 July 2014, 07:45 AM ET
Starting in late 2016, Cassini will zip between Saturn and its innermost ring a total of 22 times in a mission phase now known as the "Cassini Grand Finale," which will end when the probe intentionally dives into Saturn's atmosphere in September 2017.