An astronaut got a blood clot in space —now our study shows how to best protect crew

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed &…

Comet NEOWISE shines in stunning photos from the International Space Station

Astronauts caught a stunning natural light show this weekend from a comet that has been dazzling…

The 1st-ever Mars helicopter will start flying next year. Here’s how.

NASA’s Perseverance rover will have a special passenger when it alights inside Mars’ Jezero Crater in…

There’s more metal on the moon than we thought

Earth’s moon is more metal than scientists imagined. NASA’s prolific Lunar Reconnaissance Orbiter (LRO) found rich…

Comet NEOWISE could give skywatchers a dazzling show this month. Here’s what to know.

Astrophotographer Chris Schur captured this view of Comet NEOWISE F3  from Payson, Arizona before dawn on…

July’s full ‘Buck Moon’ wows skywatchers despite lackluster lunar eclipse

Macy’s fireworks go off on the top of the Empire State Building as the full buck…

Rocket Lab Electron launch fails to reach orbit, 7 satellites lost

 A Rocket Lab Electron booster failed to reach orbit while attempting to launch seven small satellites…

The ‘Buck Moon’ lunar eclipse this Fourth of July will be hard to see

Skywatchers in most of the United States have the chance to see a Fourth of July…

Astronauts celebrate Fourth of July from space station

American astronauts on the International Space Station are celebrating Independence Day from space. In a video…

Aphelion Day 2020: Earth is farthest from the sun today!

Happy Fourth of July – and Aphelion Day! This Saturday, July 4, Earth will be at…