The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

For thousands of years, humanity has looked up at the night sky with a profound sense of wonder. We have mapped the constellations, charted the movements of the planets, and […] ...

One of NASA’s spacecraft could reenter the atmosphere at approximately 7:45 P.M. EDT tonight. When the 600-kilogram Van Allen Probe A reenters Earth’s atmosphere, it will largely burn up, but there ...

NASA and the U.S. Space Force have been tracking a one in 4,200 chance that remnants from spacecraft can survive re-entry and harm someone on Earth. (NASA.gov photo) ...

Researchers and space agencies are converging on a class of power sources that could solve one of the most persistent problems in remote sensing: keeping instruments alive for years without ...

The satellite blazed through Earth’s atmosphere and splashed down in the eastern Pacific Ocean on Wednesday, March 11.

SpaceX launched twin satellites for NASA Wednesday that will study how the electrically-charged solar wind interacts with Earth's magnetic field, creating constantly changing and occasionally ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet hurtling towards Earth — but only if the scientists operating them act ...

A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of Deimos, ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the ...