Space News & Blog Articles

General Space Facts

1. Outer Space Begins at the Kármán Line
   This imaginary boundary is 100 kilometers (62 miles) above sea level — officially marking the start of outer space.

Satellite images of the Red Planet suggest scientists were wrong about these strange Martian features.

Scientists have found evidence of the most powerful storm in history, which hit Earth in 14,300 years ago. It would cause mayhem in today's technology-dependent world.

Time for a trip to Tycho Crater.

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

Whether you are a fan of space exploration history or of the game on which the series is based, "The Last of Us" has just delivered a real blast from the past.

Houston-based startup Venus Aerospace just launched the first successful test flight of a rotating detonation rocket engine (RDRE) test from U.S. soil.

Scientists have discovered 26 previously unknown bacterial species in the clean rooms that were used to prep NASA's Phoenix Mars lander for its 2007 launch.

Hundreds of space artifacts are set to return to or debut on display with the opening of five reimagined galleries at the Smithsonian's National Air and Space Museum in Washington, D.C. this summer.

The Canon RF 24mm f/1.4L is a high-quality wide-angle prime lens with a fast maximum aperture making it ideal for landscape, cityscape and astrophotography.

The spiral galaxy shines with the light of countless newly-born stars.

India attempted to launch an Earth-observing radar satellite on Saturday (May 17) but a problem with the mission's rocket resulted in a failure.

A familiar face from ancient "Doctor Who" history makes an unexpected return.

The Emmy-winning animated anthology returns, and we've scored every exceptional short from bottom to top.

'This hospital is a good hospital. And I always forget that it's kind of alive!'

Building a sustainable economy on the moon won't be easy, but we at least have some ideas about how to get started.

On Episode 161 of This Week In Space, Rod Pyle and Tariq Malik catch up on headlines ... and space dad jokes!

India will launch an Earth-observing radar satellite tonight (May 17) on the nation's second mission of 2025, and you can watch the action live.

Scientists have made the most accurate predictions yet of the gravitational waves produced when two black holes fly past each other.

Here’s a look at some of the major space programs around the world that are shaping humanity’s exploration beyond Earth:

During a House Committee on Space, Science and Technology hearing, experts discussed the state of NASA's planetary defense capabilities.