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, 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, 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.
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, 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
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, 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, 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.
01 July 2014, 07:00 AM ET
Cosmic impacts can create novel habitats where life can flourish and preserve the remains of pre-existing life for millions of years, new research suggests.
01 July 2014, 12:36 AM ET
See photos from astronaut Alexander Gerst who is about to take off on a mission to the International Space Station, along with five others.
01 July 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in June 2014.
30 June 2014, 01:06 PM ET
NASA’s OCO-2 is designed to watch Earth “breathe,” exhaling, then reabsorbing CO2 as the probe maps and re-maps our planet’s surface. Humanity’s rate of carbon-loading the atmosphere is rapidly accelerating.
30 June 2014, 07:28 AM ET
The space agency's Orbiting Carbon Observatory-2 satellite passed its launch readiness review Sunday, meaning the craft is set to lift off Tuesday from Vandenberg Air Force Base in California at 5:56 a.m. EDT atop a Delta 2 rocket.
30 June 2014, 07:15 AM ET
NASA's Cassini spacecraft marks a big milestone today (June 30) — a decade exploring Saturn and its many moons.
29 June 2014, 11:14 AM ET
What was your favorite space news story of the last week?
28 June 2014, 12:37 PM ET
From the true size of sun's atmosphere to a trio of huge black holes, don't miss these amazing space images of the week for June 28, 2014.
27 June 2014, 04:45 PM ET
The sun's volatile atmosphere is even bigger than scientists expected, a NASA spacecraft has revealed. The space agency's STEREO satellite found that the solar atmosphere, known as the corona, stretches 5 million miles above the sun's surface.
27 June 2014, 04:10 PM ET
Footage from NASA's Solar Terrestrial Relations Observatory, or STEREO, shows the mesmerizing flow of sound-like waves moving through the sun's corona.
27 June 2014, 10:43 AM ET
NASA's Orbiting Carbon Observatory (OCO-2), due to launch on July 1st, 2014, will study the greenhouse gas carbon dioxide. It will dramatically incerease the observation of CO2, delivering important data on its sources and 'sinks'.
27 June 2014, 12:02 AM ET
This cool space wallpaper shows an exit hole through Kevlar–Nextel fabric after hypervelocity testing of the multilayer shielding for ESA’s ATV space freighter, simulating an impact by space debris.
26 June 2014, 04:22 PM ET
The NASA video shows the tense scene at mission control on the night of June 30, 2004, as the Cassini spacecraft prepared to execute a crucial engine burn that would allow it to enter orbit around Saturn.
26 June 2014, 01:25 PM ET
An astronomer has recreated the "Pillars of Creation," which the Hubble Space Telescope captured in a famous photo, using a computer simulation.