"Our behavior with greenhouse gases here on Earth over the past 100 years is having an effect on how we operate satellites ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

These trees are dark green, but in such a high concentration, they look much darker from low Earth orbit, according to the BBC. Related: See all the best images of Earth from space Pisonia trees ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

NASA’s ICESat-2 has hit an incredible milestone: 2 trillion laser shots fired from orbit! This Earth-monitoring marvel has ...

The two stranded NASA astronauts are expected to return to Earth on Tuesday. They've been in space for nearly 300 days.

An American astronaut captured otherworldly green lights on Earth. Spaceman Don Pettit shot the eerie spectacle of fishing ...

A new study says space may become more littered with debris as climate change lessens nature's way of cleaning it up ...

These trees are dark green, but in such a high concentration, they look much darker from low Earth orbit, according to the BBC. The dense foliage also lures a variety of seabirds, including ...