10 September 2014, 06:00 AM ET
The cluster is located about 90,000 light years away in the Sagittarius Dwarf Galaxy. Astronomers using Europe's Very Large Telescope (VLT) in Chile have been observing the cluster to measure levels of the element lithium in its stars.
09 September 2014, 04:00 PM ET
The Giant Magellan Telescope (GMT) completed several major external reviews earlier this year and is on target to break ground in the Chilean Andes before the end of 2014. The huge scope should begin observing the heavens early in the next decade.
09 September 2014, 01:41 PM ET
Sunspot AR2158 unleashed an M4.6-class flare on September 9, 2014. NASA estimates that the coronal mass ejection (CME) was moving pretty fast. According to Spaceweather.com, "it will deliver a glancing blow to Earth's magnetic field."
09 September 2014, 12:52 PM ET
The mission that will study the Red Planet's atmosphere will reach its target on September 21, 2014 at 10pm EST. Its transfer orbit and orbital insertion are explained.
09 September 2014, 06:44 AM ET
New research shows that an object, known as WISE J0304-2705 and classified as a Y dwarf, may have begun its evolution with a temperature as hot as a red dwarf star before settling on its present temperature, which is similar to Venus.
08 September 2014, 05:12 PM ET
The space rock flew within 21,000 miles of the surface of Earth on September 7th, 2014. A. Thirouin, B. Skiff, and N. Moskovitz analyzed the brightness variations using the Lowell Observatory's 1.1m Hall telescope in Arizona.
08 September 2014, 04:57 PM ET
A committee formed by the Nicaraguan government determined that a new, 39-foot-wide (12 meters) crater found near capital city Managua's international airport was blasted out by a space rock strike Saturday night. But experts aren't convinced.
08 September 2014, 12:55 PM ET
A brief history of those who braved the frosty frontier of the north from 325 B.C. to the 20th century. -- Part II - From Space: http://goo.gl/yZC6AR
08 September 2014, 12:48 PM ET
A brief history of orbital sea ice observatories from the Tiros weather satellites of the 1960's to the ICE-Sat 2 scheduled for launch in 2016. -- Part I: Pre-Space Age: http://goo.gl/7vTqwE
08 September 2014, 11:30 AM ET
Big slabs of ice are sliding over and under each other within Europa's ice shell, a new study suggests. The Jovian satellite may thus be the only solar system body besides Earth to possess an active system of plate tectonics.
08 September 2014, 11:27 AM ET
Reports of a loud boom were heard on the evening of Sept. 6, 2014 in the captital city of Managua. A crater was found the following afternoon.
08 September 2014, 06:50 AM ET
Instead of arriving at a bright, reflective, ice-covered heavenly body, the European Space Agency's Rosetta probe found that its target comet, 67P/Churyumov-Gerasimenko, appears darker than charcoal in some wavelengths of light.
07 September 2014, 12:46 PM ET
What was your favorite space news story of the last week?
06 September 2014, 11:56 AM ET
From Comet Jacques to a coronal mass ejection, don't miss these amazing space images of the week for Sept. 6, 2014.
06 September 2014, 10:34 AM ET
The near-Earth asteroid 2014 RC is buzzing Earth this weekend and the Slooh Community Observatory and Virtual Telescope Project will provide live webcasts tonight (Sept. 6). Here's how to see them.
06 September 2014, 08:09 AM ET
Pieces of the space rock that exploded over Russia in 2013 will go on sale at auction this month.
05 September 2014, 11:51 PM ET
The VLT Survey Telescope at ESO’s Paranal Observatory in Chile has captured this beautifully detailed space wallpaper of the galaxy Messier 33, often called the Triangulum Galaxy.
05 September 2014, 03:57 PM ET
After weeks of scrutinizing possible landing sites on a comet, European Space Agency managers of the Rosetta mission will reveal where they plan to set their lander, Philae, in an announcement Sept. 15.
05 September 2014, 10:19 AM ET
Scientists want your help sorting through gorgeous images of Earth at night snapped by orbiting astronauts. Studying such photographs could show how light pollution is affecting human health and reveal ways to save energy and improve public safety.
05 September 2014, 09:25 AM ET
A substance that was banned from use by the Montreal Protocol in 1987, carbon tetrachloride, still has a mysterious presence in the atmosphere. Levels of the substance has been declining, just not at the rate that was expected.
05 September 2014, 06:40 AM ET
In December 2013, researchers using NASA's Hubble Space Telescope announced they had spotted evidence of geysers erupting from Europa's south polar region. But follow-up Hubble observations in January and February showed no signs of the plumes.
04 September 2014, 09:34 PM ET
This stunning space wallpaper shows a striking pair of wildly misaligned planet-forming gas discs around both the young stars in the binary system HK Tauri.
04 September 2014, 03:28 PM ET
NASA's Apollo 17 astronaut Jack Schmitt is having a few clumsy moments, struggling with his sample collection bag and falling down on the moon.
04 September 2014, 12:06 PM ET
The 6.0-magnitude earthquake that rocked California's Napa Valley last month not only injured dozens of people and caused millions of dollars in damage, but it also warped the surface of Earth.
04 September 2014, 10:34 AM ET
The Global Precipitation Measurement mission's data ultimately ends up in the hands of scientists at the NASA's Goddard Space Flight Center in Greenbelt, Md. The long 'road' the data takes is explained.
04 September 2014, 07:17 AM ET
A bright moon of Saturn stands out against the dark background of the planet in a photo taken by a NASA probe studying the ringed wonder and its moons.
04 September 2014, 07:04 AM ET
A previously unknown asteroid spotted by a NASA telescope with a new lease on life is actually a comet, according to new observations.
04 September 2014, 07:00 AM ET
The northern lights are a stunning sight for people on Earth, but even astronauts can see the incredible light shows from outer space.
03 September 2014, 11:21 PM ET
In this amazing space wallpaper from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile young stars huddle together against a backdrop of clouds of glowing gas and lanes of dust.
03 September 2014, 08:48 PM ET
The space rock (named 2014 RC) was discover on August 31st, 2014 by the Catalina Sky Survey. Its closest approach, about 2:18pm EDT - September 7th, will be about one-tenth the distance from Earth to the Moon (~25,000 miles).
03 September 2014, 02:44 PM ET
An intense M5.6-class solar flare erupted on August 24th, 2014 and NASA's SDO and STEREO spacecraft were on hand to observe it.
03 September 2014, 01:01 PM ET
A new cosmic map is giving scientists an unprecedented look at the boundaries for the giant supercluster that is home to Earth's own Milky Way galaxy and many others.