How to defend the Earth from asteroids

A mere 17-20 meters across, the Chelyabinsk meteor caused extensive ground damage and numerous injuries when it exploded on impact with Earth's atmosphere in February 2013.

CubeSats prove their worth for scientific missions

Only a few years ago, the astronomy and heliophysics communities were skeptical about whether CubeSats could reliably obtain scientific data. But these breadloaf-size satellites have proven their ability to return useful ...

Breezing through the space environment of Barnard's Star b

The closest exoplanet to us, if we include only single stars like the Sun, is the planet around Barnard's Star, Barnard's Star-b ("BSb"). (The planet Promixa Centauri-b is closer, but Proxima Cen is part of a triple-star ...

DIY gravitational waves with 'BlackHoles@Home'

Researchers hoping to better interpret data from the detection of gravitational waves generated by the collision of binary black holes are turning to the public for help.

How NASA Earth data aids America, state by state

For six decades, NASA has used the vantage point of space to better understand our home planet and improve lives. A new interactive website called Space for U.S. highlights some of the many ways that NASA's Earth observations ...

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