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Science & Astronomy

Mystery Solved! Super-Bright Supernova Was Magnified by Cosmic Lens
Field Before the Supernova
April 24th, 2014
An incredibly bright supernova spotted in 2010 has been the subject of a stellar mystery until now.
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Saturn Moon's Weird Ridge Rained Down from Space
Cracking a Mystery: Space Walnut Created by Moons Crashing
April 24th, 2014
Saturn certainly has some oddball moons and astronomers think they're close to explaining how a weird feature formed on one of them. New 3D maps are giving scientists an idea of how Iapetus' strange moons actually formed.
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'What Is Relativity?' (2014): Book Excerpt
Black Hole Blasting out Energy
April 22nd, 2014
Many people with a basic knowledge of physics know that Einstein developed the theory of relativity, yet few people actually understand what it means. But author and astrophysicist Jeffrey Bennett relativity should be something anyone can understand.
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Earth Day from Space: Satellite Snaps Far-Out Photo (Image)
 Satellite View of the Americas on Earth Day
April 22nd, 2014
A U.S. satellite has captured the ultimate Earth Day view from space, showing the entire planet in a stunning group shot of humanity. The photo, taken today (April 22) to mark Earth Day, was captured by the GOES-East satellite at 7:45 a.m. EDT (1145 GMT)
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NASA Earth Day Events Celebrate Our Home Planet: A Space Fan Guide
Blue Marble from Suomi NPP
April 22nd, 2014
Today marks the annual celebration of our home planet.NASA has a slew of live events planned to highlight what makes Earth so special. NASA also has many online activities available, too. Here's our NASA Earth Day guide.
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Hubble Space Telescope Instruments Star in New Smithsonian Exhibit
Grunsfeld at 'Repairing Hubble' Exhibit
April 24th, 2014
Nearly a quarter century after its launch, two of the Hubble Space Telescope's most well-known instruments have landed in an exhibit at the Smithsonian's National Air and Space Museum in DC. 'Repairing Hubble' displays the orbiting observatory's correctiv
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What Is Relativity? New Book Offers Simple Explanation
'What is Relativity' Book Cover
April 22nd, 2014
Why can't anything travel faster than the speed of light? Do black holes really suck? And why is the universe expanding? These are just a few of the questions author and astrophysicist Jeffrey Bennett answers in his new book, "What is Relativity?"
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Powerful Asteroids Strike Earth with Surprising Frequency (Video)
April 22nd, 2014
Since the start of the 21st century, dozens of incoming asteroids have slammed into Earth, some of them packing far more energy than a city-destroying atomic bomb, a new animation illustrates.
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