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

Weighing just over 1,300 pounds, NASA’s Van Allen Probe A is hurtling toward Earth, its fiery re-entry set to slam into the ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

Defunct 1,300-Pound NASA Satellite Reenters Earth’s Atmosphere Over Pacific ...

NASA has confirmed that a fireball and booms seen in northeast Ohio on March 17 was an asteroid that entered Earth's atmosphere.

Much of the Van Allen Probe was expected to burn up in the atmosphere, though Nasa said there was a "low" risk of people ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

NASA has confirmed that a loud "boom" reported across Northeast Ohio on Tuesday morning was a meteor.

NASA's Van Allen Probe A is expected to reenter Earth's atmosphere almost 14 years after launch. From 2012 to 2019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts, ...

NASA’s Parker Solar Probe completed its 27th close approach to the Sun on March 11, again matching its record distance of 3.8 million miles (6.2 million kilometers) from the solar surface.

NASA’s Carruthers Geocorona Observatory studies Earth’s exosphere, capturing ultraviolet images to monitor atmospheric changes and hydrogen escape from the outermost layer.