April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

Auroras are natural light displays that occur when charged particles from the sun interact with Earth’s magnetic field and ...

The Trump administration is rolling back landmark environmental legislation that dates back to the Nixon era, including key ...

The New York Stock Exchange celebrated the launch of NASA's newest astrophysics observatory by having the probe's team ring ...

Veteran NASA astronaut Don Pettit celebrated his 70th birthday as he returned to Earth from a seven-month stay at the ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

NASA’s oldest serving astronaut returned to Earth on Saturday following a 7-month mission on board the International Space ...

Following a seven-month stay aboard the International Space Station (ISS), NASA astronaut Don Pettit and two Russian cosmonauts landed safely in Kazakhstan aboard a Soyuz spacecraft on Sunday local ...

This Earth Day, take a closer look at the breakthroughs shaping the future of our planet and test how you really know about ...

Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...