The HEXAGON KH-9 reconnaissance satellites were the largest and last U.S. intelligence satellites to return photographic film ...

Traditionally, eclipse maps have been constructed from the assumption that the Moon is a perfect sphere and that all ...

This article first appeared in the special feature Understanding the Impact of Climate Change.  15 questions for climate ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...

NASA’s Curiosity rover achieved a historic milestone by capturing the first-ever image of Earth alongside Phobos, one of Mars ...

Detectors inside Artemis I’s Orion capsule show how much radiation exposure its mannequins underwent and how effective a ...

New NASA research reveals a process to generate extremely accurate eclipse maps, which plot the predicted path of the Moon’s ...

Swinging by Venus, along with flybys of Earth and the moon ... When not writing or reading about science, Samantha enjoys traveling to new places and taking photos! You can follow her on Twitter ...

A giant moon with a chunk taken out of it was visible in the skies on Tuesday night. Here are some of the best shots in case ...

The image above shows a striking cloud pattern sculpted by gravity waves, which are common ripples in both Mars' and Earth's ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...