22 June 2014, 07:35 AM ET
Earth's polar skies have lit up with eerie blue-white glowing clouds, slowly twisting and undulating in the twilight sky every summer since the late 19th century.
21 June 2014, 08:22 AM ET
Moviegoers were recently treated to "Noah," an epic story of bravery and sacrifice from the Old Testament, a saga in which the titular character takes on the divine mission to build an ark to save creation from an apocalyptic deluge.
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, 04:15 PM ET
Born in a disc of gas and rubble, planets eventually come together as larger and larger pieces of dust and rock stick together. They may be hundreds of light-years away from us, but astronomers can nevertheless watch these planets as they form.
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, 10:50 AM ET
A stunning new photo shows the full "honey moon" rising behind a woman practicing yoga. The image was taken by photographer Mark Gee on June 13, 2014 from Maupuia Park in Wellington, New Zealand.
20 June 2014, 09:02 AM ET
The steerable fins provide control during fly back. They can be seen deploying about a minute and 15 seconds into the flight. This test flight of the Falcon 9 Reusable (F9R) occurred on June 17th, 2014.
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.
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, 02:15 PM ET
United Space Alliance (USA) has put a pin in its role in space shuttle history. In fact, it has put in 135 pins.
19 June 2014, 10:24 AM ET
Russian cosmonauts Alexander Skvortsov and Oleg Artemyev spacewalked outside the International Space Station on June 19, 2014.
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
19 June 2014, 08:01 AM ET
Galaxies are churning out new stars all the time, but most of the universe's stars formed between two and six billion years after the Big Bang. The new observations, by the Hubble space telescope, capture the dwarf galaxies during this dramatic epoch.
19 June 2014, 07:34 AM ET
NASA's Orion capsule, which is designed to take astronauts to Mars and other farflung destinations, will blast into space for the first time in December. During the mission, Orion will travel 3,600 miles (5,790 kilometers) from Earth.
19 June 2014, 07:29 AM ET
The sun is supposed to be at the height of its 11-year active cycle, but for the most part things have been pretty quiet.
18 June 2014, 09:27 PM ET
This space wallpaper shows the dust ring around the nearby star HR 4796A in the southern constellation of Centaurus. It was one of the first produced by the SPHERE instrument soon after it was installed on ESO’s Very Large Telescope in May 2014.
18 June 2014, 06:30 PM ET
An astronomy organization will blast away the top of a mountain to make room for a giant telescope tomorrow (June 19), and you can watch the explosion live online.
18 June 2014, 05:08 PM ET
Two Russian cosmonauts will put on their spacesuits and float outside the International Space Station tomorrow morning (June 19) for a six-and-a-half-hour maintenance job. You can watch the spacewalk live on SPACE.com.
18 June 2014, 02:40 PM ET
During today's encounter — the 103rd Titan flyby for Cassini over its long operational life — the probe will skim just 2,274 miles (3,660 kilometers) above the moon at a speed of 13,000 mph (20,920 km/h), NASA officials said.
18 June 2014, 01:12 PM ET
The Earth will reach one of its four major way stations Saturday (June 21) during its annual trip around the sun.
18 June 2014, 12:07 PM ET
Stiff arteries in seniors here on Earth can lead to higher blood pressure and, potentially, problems with blood flow to the brain. But no blood pressure changes in astronauts have been noted so far, scientists said said.
18 June 2014, 11:32 AM ET
The 'guitar god' expresses his displeasure with the sorry state of Humanity’s reach into the cosmos. 'Satch' likens space tourism flights to bad airline experiences and muses upon transporter beam practicality.
18 June 2014, 09:03 AM ET
Using bright galaxies known as quasars, scientists have calculated the rate of the expansion of the universe to an unheard of accuracy out to distances of nearly 12 billion light-years.