NASA astronauts on the International Space Station are celebrating Independence Day from space.

Accelerating Change is a series by @amandngocnguyen profiling the world’s top change makers

“Houston, we have a problem.”

Astronaut Leland Melvin was training to perform a spacewalk at NASA’s Neutral Buoyancy Laboratory, a five million gallon pool that simulates space’s micro gravity, when he realized something had gone wrong. Very wrong.

Astronomers have discovered the surviving core of a gas giant, orbiting a distant star. The discovery provides a unique opportunity to analyse the interior of a planet first-hand.

The Hubble Space Telescope has been enhancing our understanding of the universe through breathtaking images for 30 years — PBS Digital Studios celebrates Hubble’s 30th anniversary.

Korolev crater on Mars—the largest ice skating rink in the solar system, basically—has never looked more enthralling than it does in this impressive new visualization.

The SLS is finally starting take shape.

2020 AV2 has a composition similar to Earth’s mantle.