'Marsquake': first tremor detected on Red Planet

Scientists said Tuesday they might have detected the first known seismic tremor on Mars in a discovery that could shed light on the ancient origins of Earth's neighbour.

Cassini reveals surprises with Titan's lakes

On its final flyby of Saturn's largest moon in 2017, NASA's Cassini spacecraft gathered radar data revealing that the small liquid lakes in Titan's northern hemisphere are surprisingly deep, perched atop hills and filled ...

Scientists find auroral 'speed bumps' are more complicated

Researchers at the University of New Hampshire Space Science Center find that "speed bumps" in space, which can slow down satellites orbiting closer to Earth, are more complex than originally thought.

Incident on SpaceX pad could delay its first manned flight

A mysterious but apparently serious incident occurred Saturday in Cape Canaveral, Florida involving the SpaceX capsule intended to carry American astronauts into space late this year, the private company and NASA announced.

Things are stacking up for NASA's Mars 2020 spacecraft

For the past few months, the clean room floor in High Bay 1 at NASA's Jet Propulsion Laboratory in Pasadena, California, has been covered in parts, components and test equipment for the Mars 2020 spacecraft, scheduled for ...

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 ...

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