25 June 2014, 04:48 PM ET
Astronomers have discovered an exoplanet in the star Gliese 832's "habitable zone" — the just-right range of distances that could allow liquid water to exist on a world's surface. The planet, known as Gliese 832c, lies just 16 light-years from Earth.
25 June 2014, 01:01 PM ET
Scientists have just discovered a distant galaxy with a trio of supermassive black holes at its core. The new finding suggests tight-knit groups of these giant black holes are far more common than previously thought.
25 June 2014, 09:50 AM ET
Earth's nearest star has bad weather too. The sun's bad weather, however, is more than just a little rain and lightning. Huge droplets of hot plasma about the size of Maine fall from the sun's outer atmosphere (the corona) down toward its surface.
25 June 2014, 07:30 AM ET
Recent observations from the largest solar telescope on Earth reveal a never-before-seen look at fine structures on the sun.
25 June 2014, 07:22 AM ET
Using vintage telescope data, scientists have attempted to map Pluto's icy depths before a NASA spacecraft reaches the distant dwarf planet in 2015.
24 June 2014, 06:04 PM ET
The asteroid-mining firm Planetary Resources and citizen-science site Zooniverse have teamed up to launch Asteroid Zoo, which asks people around the world to scour image archives for undiscovered space rocks that zoom close to Earth.
24 June 2014, 04:59 PM ET
The electrically charged gas falls from the Sun's corona to the surface. The 'coronal rain' was captured by Swedish 1-m Solar Telescope (SST).
24 June 2014, 04:37 PM ET
NASA's Chandra X-ray Observatory and the European Space Agency's XMM-Newton satellite spotted a spike of X-ray emission coming from more than 70 galaxy clusters. The X-rays could be generated by the decay of one type of dark-matter particle.
24 June 2014, 03:06 PM ET
The mysterious signal was detected by NASA's X-Ray Observatory and ESA's XMM-Newton in the Perseus galaxy cluster and 73 others. Scientists think that this may be the work of a hypothetical particle called a sterile neutrino.
24 June 2014, 02:36 PM ET
The Big Bear Solar Observatory has delivered high definition views of a sunspot. The data will be used to unravel mysteries presented by these dark and concentrated magnetic fields.
24 June 2014, 09:20 AM ET
Scientists have identified what is possibly the coldest known white dwarf. In fact, this dim stellar corpse is so cold that its carbon has crystallized, effectively forming a diamond the size of Earth, astronomers say.
24 June 2014, 07:30 AM ET
Curiosity wraps up its 687th day on Mars today (June 24), NASA officials said, meaning the 1-ton robot has completed one lap around the sun on the Red Planet.
23 June 2014, 06:05 PM ET
A new 3D map of the Milky Way puts the dust that permeates the galaxy on display in great detail. Astronomers mapped the dust between stars in the Milky Way to create the colorful photo that spans the part of the galaxy seen from Earth's Northern Hemisphe
23 June 2014, 04:44 PM ET
When NASA's New Horizons spacecraft leaves the solar system, it will carry with it a digital message from people on Earth.
23 June 2014, 04:02 PM ET
Jupiter's largest moons don't go completely dark when the giant planet blocks their sunlight. The discovery could reveal more about Jupiter's upper atmosphere, which may keep the moons lit when they are not directly illuminated by the sun.
23 June 2014, 09:09 AM ET
NASA Cassini mission images from July 2013 of Titan's Ligeia Mare region show an island that was not there in previous imagery. What could it be?: http://goo.gl/f0hNPs
23 June 2014, 07:15 AM ET
A mysteriously bright anomaly winked in and out of existence on the seas of Saturn's largest moon, Titan — potentially the first time waves, bubbles or some other unknown features have been seen there, scientists say.
20 June 2014, 10:21 PM ET
What was your favorite space news story of the last week?
20 June 2014, 10:02 PM ET
From a strange gas stream blotting out a galaxy's bright core to perfect espresso in space, don't miss these amazing space images of the week for June 21, 2014.
20 June 2014, 05:55 PM ET
A celebrated and controversial astrophysics discovery is about to receive even more scrutiny. In March, a team of astronomers announced that they had spotted the signature of primordial gravitational waves in the cosmic microwave background (CMB).
20 June 2014, 03:28 PM ET
Comet 67P/Churyumov-Gerasimenko, with which the European Space Agency's Rosetta probe will rendezvous in early August, shows no signs of the dust cloud it sported in April and May, new photos reveal.
20 June 2014, 01:31 PM ET
A new observatory high in the mountains of Mexico is combining high altitudes and tanks of extra-pure water to attempt to solve one of the greatest unanswered questions in all of physics.
20 June 2014, 12:50 PM ET
NASA's Solar Dynamics observatory captured imagery of dark strands of plasma erupting away from the surface of the Sun on June 19th, 2014. The ensuing coronal mass ejection was captured by the NASA / ESA SOHO observatory.
20 June 2014, 07:23 AM ET
A comet's close brush with Mars later this year shouldn't threaten the spacecraft circling the Red Planet, researchers say.
20 June 2014, 07:20 AM ET
New observations by NASA's Spitzer Space Telescope suggest that a space rock known as 2011 MD is a viable option to snag and drag into orbit around the moon, bringing the number of "valid candidates" for the mission at this point to six.
20 June 2014, 03:11 AM ET
The Palomar Observatory is an astronomical research center where several small worlds were discovered near the edge of the solar system.
19 June 2014, 06:28 PM ET
Part of the peak of the Cerro Armazones mountain in Chile was blown up to make way for Europe's Extremely Large Telescope (E-ELT). When constructed it will become the largest optical/infrared telescope in the world. FULL STORY: http://goo.gl/4eHZga
19 June 2014, 04:55 PM ET
The space agency has awarded a total of $4.9 million to 18 proposals that could advance and flesh out the asteroid-retrieval plan, which aims to drag a space rock into orbit around the moon for future visitation by astronauts, officials announced today (J
19 June 2014, 04:27 PM ET
A modest mountaintop blast in Chile kicked off construction of the largest optical/infrared telescope ever built on Earth.
19 June 2014, 02:56 PM ET
The bright center of a distant galaxy strangely and unexpectedly darkened recently, and now scientists think the culprit was a rare, powerful stream of gas blowing in front of it, eclipsing its heart.
19 June 2014, 02:24 PM ET
In 2013, astronomers became aware the center of galaxy NGC 5548 had seemingly gone dark. Astrophysicist Jelle Kaastra and team now think they know why: a stream of obscuring gas blown by the action of the central supermassive black hole.
19 June 2014, 08:57 AM ET
Using new observations from the Hubble Space Telescope, astronomers have been able to determine that dwarf galaxies were producing stars at a faster rate than previous studies. FULL STORY: http://goo.gl/j3ZB8m