15 April 2015, 11:37 AM ET
The world looks different to Neil deGrasse Tyson because he’s an astrophysicist. When a great communicator gets his hands on an elegant tool, enlightenment (and, yeah, a little ego) ensues. But why did @NeilTyson choose Twitter? He tells Space.com.
14 April 2015, 04:44 PM ET
Through 25 years on-orbit, the Space Telescope has repeatedly changed our understanding of the Universe. Astronaut John M. Grunsfeld, now NASA's Associate Administrator Science Mission Directorate, illuminates why we love this instrument.
14 April 2015, 04:16 PM ET
Atop a Falcon 9 booster, SpaceX’s Dragon cargo spacecraft – loaded with 4,000+ lbs of supplies and experiments – was launched from the Cape Canaveral Air Force Station in Florida on April 14th, 2015.
14 April 2015, 10:48 AM ET
The International Space Station's cupola provides astronauts with stunning views of Earth and the cosmos. ESA astronaut Alexander Gerst can be seen within, as the exterior ballet of window covers proceeded.
14 April 2015, 09:55 AM ET
Ground-based and Hubble images of Pluto suggest it might be the reddest object in the Solar System. New Horizons' Principal Investigator Alan Stern explains how this could have happened.
13 April 2015, 05:20 PM ET
United Launch Alliance, a cooperative launch service by Lockheed Martin and Boeing, unveiled its Next-Generation Launch Vehicle, on April 13, 2015. ULA Vulcan can be more cost-competitive with SpaceX and other launch providers.
10 April 2015, 09:13 AM ET
After seeing the designs for the original 'Millennium Falcon', George Lucas decided that it looked too much like the British sci-fi series' spaceship.
09 April 2015, 09:33 PM ET
During a February 2015 parabolic flight, a nylon net was blasted from a compressed air gun towards a scale-model satellite.
09 April 2015, 01:47 PM ET
Now 25 years on-orbit, the Hubble Space Telescope has been used to make amazing astronomical discoveries. But the James Webb Space Telescope (JWST) will peer into the infrared universe to unravel some of humanity's greatest questions.
08 April 2015, 03:30 PM ET
The International Space Station’s 3D printer, by Made In Space, Inc., was tested several times on-orbit. Printed items were sent ‘downhill’ to Earth in Feb. 2014 on a SpaceX Dragon.
08 April 2015, 01:45 PM ET
Flying twice the speed of a Space Shuttle, a collision with cosmic debris could be catastrophic. Flying twice the speed of a Space Shuttle, a collision with cosmic debris could be catastrophic.
08 April 2015, 01:01 PM ET
The protoplanetary disc around a constellation of Taurus star, named MWC 480, harbors enough methyl cyanide (CH3CN) to "fill all of Earth’s oceans," according to the European Southern Observatory.
07 April 2015, 03:15 PM ET
Astronomers working with the ALMA telescope in Chile, took high resolution images of the ring-shaped image of light from a galaxy almost 12 billion light-years away. Such circlets form when a massive cluster of galaxies lies along our line of sight.
06 April 2015, 10:16 AM ET
On April 4th, 2015, some skywatchers were treated to to a total lunar eclipse, which was the shortest 'Blood Moon' this century. The Griffith Observatory in California captured the event.
03 April 2015, 09:33 AM ET
NASA Space Launch System first flight, names Exploration Mission-1, will not carry humans but will carry the Orion Spacecraft on a swing around the Moon.
01 April 2015, 03:11 PM ET
The orbiting Global Precipitation Measurement (GPM) Constellation quantifies precipitation across the entire Earth. Data 'swaths' from 10 satellites overlay to form NASA's animated Integrated Multi-satellite Retrievals for GPM (IMERG).
01 April 2015, 10:52 AM ET
In the 2015 Space Apps Challenge (April 10-12), engineers, artists, entrepreneurs and others collaborate to find solutions to world challenges. NASA astronaut Cady Coleman explains.
31 March 2015, 05:04 PM ET
The Mars Science Laboratory and components of the delivery spacecraft whence it came have been spied by the Mars Reconnaissance Orbiter on several occasions since in August 2012.
31 March 2015, 01:20 PM ET
In the early morning hours of April 4th 2015, a total lunar eclipse will be visible from many parts of the world. But why will the moon appear dark red? Science@NASA explains.
30 March 2015, 02:40 PM ET
On April 4th, Earth’s shadow on Luna will visible from parts of 3 continents. After midnight on April 22nd, 10 to 20 meteors per hour will rain.
30 March 2015, 02:30 PM ET
Spaceport, LEGO’s latest space shuttle model, launches in August 2015 and includes an awesome Crawler-Carrier for the shuttle, as well as detailed solid rocket boosters and an external tank.
26 March 2015, 02:36 PM ET
Roscosmos' Mikhail Kornienko will spend a year aboard the International Space Station. He talks about his father, a Russian military helicopter pilot that was part of search and rescue teams for the country's first cosmonauts.
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.