Video Archive
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.
27 February 2015, 09:39 AM ET
Data from the Global Precipitation Measurement (GPM) Core Observatory was converted into 3D imagery of 2 storms over the United States on Feb. 17th and 21st, 2015.
26 February 2015, 05:12 PM ET
NASA's Soil Moisture Active Passive mission team deployed its spacecraft's large antenna on Feb. 24th, 2015. The mission will track and map soil moisture on Earth.
26 February 2015, 04:28 PM ET
NASA's Global Precipitation Measurement (GPM) satellite can measure global precipitation (rain and snow) every 30 minutes. The data has been transformed into high resolution imagery that tracks the movement of precipitation over the entire globe.
26 February 2015, 09:40 AM ET
The Gemini Twins and a dimmer Cancer constellation make their way into the night sky in March.
25 February 2015, 12:12 PM ET
Space.com writers @CallaCofield and @MiriKramer hit the fair in NYC on President's Day weekend and a few robots caught their attention.
24 February 2015, 12:47 PM ET
NASA's Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite shows wind blown Saharan dust nourishes plants with phosphorus, which is in limited supply in the Amazon.
24 February 2015, 09:58 AM ET
"Unofficial orbit solution puts this comet at ~4 solar radii on Feb. 19th (2015). That's insanely close," according to the Naval Research Lab's Karl Battam.
23 February 2015, 11:26 AM ET
On Feb. 21st, 2015, Space Station crew Barry Wilmore and Terry Virts set up cabling and other equipment in the first of 3 spacewalks to install a docking port adaptor for U.S. commercial crew vehicles.
21 February 2015, 07:16 PM ET
Using the new SPHERE instrument on the European Very Large Telescope, astronomers have revealed the unusual double star does not have a brown dwarf star orbiting it as previously thought.
20 February 2015, 11:33 AM ET
Orbital ATK, builders of the Space Shuttle Solid Rocket Motors and of the future Space Launch System, describe the avionics system for their March 2015 static-fire test of the booster in Promontory, Utah.
19 February 2015, 02:35 PM ET
On Feb. 14th, 2015, the European probe flew about 4 miles (6 km) above the surface of comet 67P/Churyumov-Gerasemenko and delivered stunning imagery. It will continue to make several maneuvers to fly close to the comet over the next few weeks.
19 February 2015, 01:18 PM ET
The traditional Chinese month-keeping is based on lunar cycles periodically offset to sync with solar events to form a 'lunisolar' calendar, this year represented by a horned farm animal. But which one depends upon who you ask.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 10:47 AM ET
NASA realizes its future depends upon a two-way relationship with growing commercial space companies. New facilities must accommodate the Congressionally mandated Space Launch System as well as private rockets.
18 February 2015, 05:53 PM ET
A series of images taken by the NASA Horizons Mission from Jan. 27-Feb. 8, 2015 shows the two moons (25 to 95 miles in diameter) orbiting Pluto.
18 February 2015, 11:10 AM ET
A huge fireball was captured by NASA All-Sky camera at the Allegheny Observatory near Pittsburgh in the early morning hours of February 17th, 2015.