Spitzer

Seen here in visible light, the North America Nebula strangely resembles its namesake continent

NASA

Scientists reveal sights and sounds of comet Tempel 1 flyby.

Spitzer

While astronomers have identified over 500 planets around other stars, they’re all too small and distant to fill even a single pixel in our most powerful telescopes. That’s why science must rely on art to help us imagine these strange new worlds.

NASA

After six years on the move, NASA's Mars Exploration Rover Spirit prepares for a new phase of science.

NASA

NASA's Opportunity rover celebrates seven years on Mars, and counting.

NASA

Stardust-NExT is about to become the first spacecraft to visit two comets. The first was Wild 2 in 2004. Next up: comet Tempel 1, on February 14

NASA

European Southern Observatory

supernova is one way that a star can end its life, exploding in a display of grandiose fireworks

European Southern Observatory

Astronomers have been able to obtain the first image of a dusty disc closely encircling a massive baby star, providing direct evidence that massive stars do form in the same way as their smaller brethren — and closing an enduring debate.

Spitzer

Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.

Spitzer

The Omega Nebula, or M17, is a star-forming region in the constellation of Sagittarius and is about 6,000 light years away.

Spitzer

Dr. Michelle Thaller explains that the answer isn't as simple as you might think!

Herschel

In May of 2009, the European Space Agency successfully launched the Herschel Space Observatory, a new eye for the infrared universe. Its 3.5 meter mirror lets us see into the far infrared spectrum with unprecedented clarity.

Spitzer

Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question

NASA

Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Astronomer' video.

Spitzer

When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.

Spitzer

Today's telescopes study the sky across the electromagnetic spectrum. Each part of the spectrum tells us different things about the Universe, giving us more pieces of the cosmic jigsaw puzzle. The most powerful telescopes on the ground and in space h

Webb

This animated video from 2010 follows the deployment of the Webb telescope as takes its place in orbit. A narrator takes the audience step by step through the stages of the telescope�s deployment, including the expansion of the sunshield and the unfo

NASA

NASA's Odyssey orbiter wins title as the longest operating spacecraft at Mars

NASA

The Epoxi mission will fly by a comet to unlock secrets on how the solar system formed.

NASA

The movie shows a series of flares and eruptions, some simultaneous, others in close succession

NASA

Cassini super sleuths have found the best case yet of an ice volcano in the outer solar system.

NASA

The International Space Station video update for Nov. 30, 2010.

NASA

The Glory spacecraft uses Orbital Sciences Corporation Space Systems Group's LEOStar-1 bus design, with deployable, four-panel solar arrays. This conceptual animation reveals Glory's unique solar array deployment sequence.

NASA

Astronomers used the Suzaku orbiting X-ray observatory, operated jointly by NASA and the Japanese space agency, to discover the largest known reservoir of rare metals in the universe.

NASA

Just outside the protective layer of Earth’s atmosphere and magnetosphere, is a universe full of radiation. What happens to our bodies when we leave the surface of Earth to travel in space or visit the International Space Station?

NASA

In exploring the universe, NASA has uncovered one planet more unusual than all others. This 30 second video shows you which planet that is, and explains that NASA science helps us better understand this world without equal.

NASA

The new Wide Field Camera 3 aboard the NASA/ESA Hubble Space Telescope has taken the deepest image yet of the Universe in near-infrared light.

NASA

JPL's camera aboard Hubble has taken some of the space telescope's most memorable images. The camera will be removed and brought back to Earth during a Hubble servicing mission this month.

NASA

Planets that are more than twice the diameter of Earth have about ten Earth masses and enough gravity to hold onto hydrogen, the most abundant element in the Universe. Such large planets turn into gas giants like Jupiter and Saturn. Jupiter is more t

NASA

Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe. The Goddard Center for Astrobiology and the NASA Astrobiology Institute focus on this amazing field through research, experimentation, and work with

NASA

Here on Earth, our species is learning how to care for our home. NASA's eyes in space enable unparalleled insights into our planet's health.

NASA

We've seen how our species can leave its mark. We now know we are part of the global network, called Earth. Take a look at what NASA is doing, to help us truly see our home

NASA

When NASA ventures into space, it remembers to keep a steady eye on home. Its fleet of earth observing satellites constantly reveals our whole planet -- its remotest places, its mysteries, and the powerful influence of humans.

NASA

An oldie but goody: The September 12, 2000 coronal mass ejection (CME), which moves directly from the sun's surface toward the viewer. This was recorded by the Solar and Heliospheric Observatory (SOHO).

NASA

NASA

Get ready for a comet close-up! NASA's Epoxi mission will fly by Hartley 2 on Nov. 4, 2010

NASA

This animation shows the motion of Comet Ikeya-Murakami on Nov. 13, 2010, captured with a New Mexico-based telescope operated remotely by NASA's Marshall Space Flight Center. The images were taken near dawn and show the comet’s movement over a period

NASA

The International Space Station video update for Nov. 16, 2010.

NASA

Astronaut Scott Kelly, Expedition 25 flight engineer, shows off the International Space Station's cupola.

NASA

This animation shows how a black hole may have formed in SN 1979C. The collapse of a massive star is shown, after it has exhausted its fuel. A flash of light from a shock breaking through the surface of the star is then shown, followed by a powerful

NASA

This animation shows the latest findings from the Time History of Events and Macroscale Interactions during Substorms (THEMIS) mission. Earth's magnetic field; which shields our planet from severe space weather, often develops two holes that allow th

NASA

Animation depicts a coronal mass ejection, an explosion of the Sun's atmosphere than can affect satellites, cell phones, and other aspects of life on Earth.

NASA

The spacecraft will take an unprecedented look at how the Sun affects us here on Earth.

NASA

From concept to reality, that's the NASA way. Since the first directive to put a man on the moon, NASA has been on the cutting edge of technology and innovation and continues to turn the impossible into the possible everyday.

NASA

This zoom video shows the location of Hubble's 20th anniversary image of the Carina Nebula in the sky. (no audio)

NASA

In exploring the universe, NASA has uncovered one planet more unusual than all others.

NASA

This video illustration shows how Mars may have lost its atmosphere to the solar wind after the Red Planet's magnetic field died.

NASA

The name "A-Train" comes from the formation of international, Earth-observing satellites known as the Afternoon Constellation, which operate in a Sun-synchronous orbit at an altitude of 705 km.