NASA is canceling the lease for the offices of a branch of the Goddard Space Flight Center in New York that does Earth ...

"Heliophysics is the most unknown—and underrated—part of NASA’s science program," they wrote. "As humanity becomes more ...

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

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

A crew of Chinese astronauts headed for orbit Thursday to begin a six-month-long mission aboard the Tiangong space station.

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

NASA's long-term space initiatives—from satellite networks to planetary terraforming—are sparking new fears about their ...

As the asteroid lines up for a planetary flyby in 2029, space agencies are coordinating to conduct some groundbreaking ...

It's up in the air how much longer the beloved telescope will be with us.

Eruptions from sunspot AR3664 have created a geomagnetic storm that is delivering jaw-dropping northern lights on Earth. The sunspot blasts X5.8- and X1-class solar flares. NASA's Solar Dynamics ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Astronauts repaired and upgraded NASA's Hubble Space Telescope over the course of five servicing missions from 1993 to 2009.