Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

The chance of a newly discovered space rock hitting Earth in about eight years was predicted at 1.6 percent last week. Though ...

In fact, the discovery actually supports a key part of the theory about how chorus waves work. Using data from the Magnetospheric Multiscalar satellites, Liu and colleagues measured the distribution ...

One leading theory on the origins of life on Earth proposes that simple chemical molecules gradually became more complex, ...

Carnegie Mellon University researchers led a study that concluded a shredded star launched a powerful burst of energy toward the Earth.