27 April 2015, 04:40 PM ET
27 April 2015, 02:49 PM ET
27 April 2015, 11:58 AM ET
Star cluster NGC 6388 seems to produce x-rays from a source other than its black hole, whose brightness decrease at a rate comparable to "theoretical models of a disruption of a planet."...
27 April 2015, 11:45 AM ET
27 April 2015, 09:09 AM ET
Healthy snacks aboard the international Space Station include dried fruit, cereal, nuts, seeds and more. ESA astronaut Samantha Cristoforetti shows off the selection aboard the ISS's Node 1 (Unity Module).
24 April 2015, 12:47 PM ET
24 April 2015, 10:01 AM ET
Kelsea Brennan-Wessels, from ESA's 'Earth From Space' series,
leads you through a tour of the United States' peninsula with imagery from the Sentinel 1-A satellite.
24 April 2015, 07:49 AM ET
24 April 2015, 07:18 AM ET
23 April 2015, 08:59 PM ET
23 April 2015, 05:36 PM ET
The challenge is to tell them, through the medium of video, image or story, about an 'invention or innovation' that you've encountered. Find out more about it at xprizechallenge.org.
23 April 2015, 04:59 PM ET
23 April 2015, 11:33 AM ET
Based on Hubble Telescope data, Space Telescope Science Institute’s (STSci) astrovisualization team produced this awe-inspiring journey through the heart of the star Westerlund 2 cluster.
23 April 2015, 10:52 AM ET
This stellar city, in the Carina constellation, 20,000 light-years away from Earth, is the home of many of our galaxy's hottest and brightest stars. Powerful winds from these powerhouses carve an incredible landscape in the gas of the nearby nebula.
22 April 2015, 06:09 PM ET
12 builders from Frank D’iorio’s Diorama Workshop assisted ~1500 fans construct the city from the "The Empire Strikes Back". 400 setpieces were created and over 800 figures from Hasbro and Kenner populated the city.
22 April 2015, 12:31 PM ET
Michael Soluri tells Space.com of his intimate access to NASA's Hubble Servicing Mission 4's crew and instruments. His new book 'Infinite Worlds' is available on Amazon.
22 April 2015, 12:20 PM ET
22 April 2015, 11:29 AM ET
22 April 2015, 10:36 AM ET
In 2010, President Obama set forth several initiatives for America’s space agency. This 2015 NASA video attempts to report on the status of those projects.
22 April 2015, 10:15 AM ET
Super-cold nitrogen geysers on Neptune’s moon Triton, and hot sulfurous plumes high above Jupiter’s moon Io, reveal how these fascinating worlds work. Watch ‘Secrets of the Universe’ on Hulu. http://www.hulu.com/secrets-of-the-universe
22 April 2015, 07:00 AM ET
Exoplanet 51 Pegasi b, located ~50 light years away in Pegasus, was suspected in 1995 from the motion of its star. Now the HARPS instrument at ESO’s La Silla Observatory has detected the spectrum of that star's visible light reflected off the planet.
21 April 2015, 01:38 PM ET
When a massive star dies, it re-seeds the universe with elements to form more complex stars. When astronomers witness these cataclysms, they begin to think differently about how the universe works. Watch ‘Secrets of the Universe’ on Hulu. http://www.
21 April 2015, 12:04 PM ET
When HST can no longer do science, should we deorbit and destroy it, extend its life with another servicing mission, or boost it into a safe "museum piece" orbit? NASA's John Grunsfeld explains.
20 April 2015, 01:49 PM ET
Orbiting into the daylight side of the dwarf planet, NASA's Dawn probe acquired new images of the bright spots that have grabbed scientists’ attention.
20 April 2015, 12:03 PM ET
Rosetta’s OSIRIS imager captured the birth of a dust stream through successive images 2 minutes apart. Comet 67P/Churyumov-Gerasimenko is 'waking up' as it approaches the Sun. The puff from a shadowed region of the comet surprised scientists.
19 April 2015, 06:26 PM ET
'The goal is to bring science to people who know that they don't like science,' Tyson tells Space.com, 'My guests are hardly ever scientists; they're people hewn from pop culture. And I – the interviewer – am the scientist, not the journalist.'
17 April 2015, 09:35 AM ET
The cast and crew of "Episode VII: The Force Awakens" and the entire convention were thrown into a tizzy after the second teaser was revealed. Hear reactions from Mark Hamill, J.J. Abrams, Kathleen Kennedy and more.
17 April 2015, 09:12 AM ET
After spending more than a month orbiting the dark side of the dwarf planet, NASA's probe finally captured some daylight gleaming off the north pole. This series of images were captured on April 10th, 2015 at a distance of 21,000 miles (33,000 km).
16 April 2015, 01:51 PM ET
NASA astronaut John Grunsfeld (now Associate Admin. for the Science Mission Directorate) looks back at how Hubble’s upgradable design can help us create more powerful space-based observatories.
15 April 2015, 04:41 PM ET
The second attempted ocean barge landing of the first stage of the SpaceX rocket touched down on the barge but a little too hard. The rocket successfully launched the Dragon cargo ship to the Space Station.
15 April 2015, 01:45 PM ET
NASA astronaut Terry Virts took a GoPro camera with him on an Extra Vehicular Activity (EVA) outside the International Space Station on February 25th, 2015.
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.