25 March 2015, 03:47 PM ET
Human bodies change on long-duration missions. NASA's Scott Kelly and Roscomos' Mikhail Kornienko will spend a year aboard the ISS to understand how to better keep future crews healthy.
25 March 2015, 02:21 PM ET
What astronomers thought was a cloud of gas being stretched as it whipped past our galaxy's central black hole now turns out to look much more like a young, hot compact star.
24 March 2015, 02:32 PM ET
NASA's New Horizons' principal investigator Dr. Alan Stern talks to Space.com about the importance of the mission to the "wild west" of our solar system, a place where no other probe has been.
24 March 2015, 12:40 PM ET
Slated to start at the end of March 2015, NASA astronaut Scott Kelly will spend a year aboard the International Space Station.
23 March 2015, 05:05 PM ET
European Astronomers witnessed what they thought was a Nova in the constellation of Vulpecula in 1670.
23 March 2015, 01:07 PM ET
Chad Blakley (lightsoverlapland.com) captured unusual arcing auroras forming a corona over Abisko National Park on Mar. 14th, 2015.
23 March 2015, 10:12 AM ET
NASA's Mojave Volatiles Prospector (MVP) is placing a suite of instruments to detect water on the Earthly desert surface. This testbed will fine tune designs for future probes to Mars, the Moon and other solar system bodies.
20 March 2015, 07:45 AM ET
18 March 2015, 05:12 PM ET
18 March 2015, 02:47 PM ET
After astronomers recorded a bright flash on the Moon in March 2013 NASA tasked it Lunar Reconnaissance Orbiter to compare old and new images. Clues led the LRO team to find an 18-meter-wide crater, one of over 25 fresh impacts.
17 March 2015, 07:10 PM ET
Launching on a rocket lower stage, Sierra Nevada's Dream Chaser Cargo version could visit space facilities, then re-enter and glide to a runway landing thanks to its lifting body-based aero-design.
16 March 2015, 01:42 PM ET
The Zodiac (arc of the planets, Sun and Moon) hosts the cosmic crab of Cancer and Earth's most famous twin brothers throughout March 2015. Jupiter rules the southeastern sky. Saturn rises after midnight.
12 March 2015, 10:51 PM ET
NASA's Magnetospheric Multiscale (MMS) mission launched from the Cape Canaveral Air Force Station in Florida on Mar. 12th, 2015. The satellites will be used to study "magnetic reconnection".
12 March 2015, 08:36 PM ET
Lockheed Martin’s ‘Jupiter’ space cargo tug is designed to fly freight to the International Space Station and beyond as a 21st century space vehicle. See how it works here.
11 March 2015, 05:21 PM ET
NASA's Ron Garan spent over 177 days in space, looking down on the planet in his spare moments. This 'life-changing' experience made him rethink his view of our interconnected world.
11 March 2015, 03:26 PM ET
Star clusters, emission nebulae and active star-forming regions, Oh My! A new detailed look at the southern constellation of Ara (The Altar) shows open star cluster NGC 6193, hot giant stars, the Rim Nebula and more.
11 March 2015, 11:35 AM ET
NASA's Space Launch System rocket booster's solid propellant was ground-tested on its side at ATK, the rocket builder’s factory.
10 March 2015, 04:14 PM ET
What powers solar flares, auroras and other big zaps of plasma? NASA's Magnetospheric Multiscale (MMS) mission will study "magnetic reconnection" in the cosmos.
10 March 2015, 03:42 PM ET
Even 100,000 million miles away, NASA’s New Horizons probe has begun delivering unprecedented views. The mission's principal investigator Dr. Alan Stern tells Space.com just how much better the imagery will be.
09 March 2015, 05:52 PM ET
The new Space Launch System booster may look similar to the Space Shuttle boosters but its design has been overhauled for efficiency. NASA and the booster manufacturer ATK Space Systems explain.
09 March 2015, 01:59 PM ET
Astronauts aboard the International Space Station will attempt to grow the fibrous plaque (amyloids) that are the root cause of the brain disease.
06 March 2015, 08:46 PM ET
In an interview with XPRIZE, former NASA astronaut Rusty Schweickart recalls how a minor camera malfunction (on the first spacewalk of the Apollo program) gave him five minutes of "incredible" Earth views to appreciate.
05 March 2015, 04:20 PM ET
Astronomers using the Hubble Space Telescope snapped a cross-shaped pattern of 4 images of the same supernova. The images were discovered "around a giant foreground elliptical galaxy embedded in a cluster of galaxies."
05 March 2015, 12:09 PM ET
New research reveals that a compact helium star that's traveling out of the Milky Way galaxy was once donating its mass as part of a type Ia supernova pair. The spin of the star increased dramatically over time leading to its eventual ejection.
05 March 2015, 12:01 PM ET
About 4.5 billion years ago, the Red Planet was a much wetter place. New isotopic measurements of Mars by several ground-based telescopes on Earth reveal a new map of where the water laid and a model of water loss over time can be constructed.
03 March 2015, 10:39 AM ET
Galaxy cluster Abel 1689 is so massive, light bends around it in an effect predicted by Einstein called a gravitational lens, revealing Galaxy A1689-zD1 to be surprisingly mature despite the young age of the universe seen.
02 March 2015, 03:40 PM ET
Inserted into Ceres orbit on March 6th, 2015, the Dawn mission has been sending progressively better imagery to Earth since December 2014. Ceres is by far the largest body in the Main Belt of asteroids.
02 March 2015, 02:36 PM ET
NASA's Dawn Mission sent back the best imagery yet showing many craters and unusual bright spots. NASA's Jet Propulsion Laboratory scientists believe they reveal how the planet "formed and whether its surface is changing."
02 March 2015, 12:58 PM ET
In NASA's Magnetospheric Multiscale (MMS) mission, 4 identical space craft will study 'magnetic reconnection' when magnetic fields lines from the Sun cross paths with Earth releasing bursts of energy toward the ground.
02 March 2015, 11:28 AM ET
The ABS 3A and EUTELSAT 115 West B satellites were launched from Cape Canaveral Air Force Station on Mar. 1st, 2015.
27 February 2015, 09:39 PM ET
NASA astronaut Mike Fincke and ESA astronaut Luca Parmitano talk about the inspiration that Star Trek's Mr. Spock delivered to humanity's on-going mission to explore.
27 February 2015, 09:05 PM ET
The creators of the Disney series reached out to experts in space and science to develop ideas on what the technologies of the future will look like for their space-traveling family.