‘Unreal’ auroras cover Earth in stunning photo taken by NASA astronaut

When seen from Earth, auroras are nothing short of dazzling. But it takes an astronaut’s-eye view to truly appreciate how vast and spectacular these light shows really…

NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. Thankfully, they’ll all miss.

Our solar system is home to millions of renegade space rocks, and this week three particularly large ones will blaze past Earth. But don’t worry – the…

‘Missing link’ for Earth’s water found around remote baby star

Astronomers studying a remote baby star have found a “missing link” that could finally explain the origins of water on Earth, a new study suggests. By training…

Ghostly scraps of oldest recorded supernova revealed in stunning telescope image

The shredded remnants of the first supernova ever recorded by humans — which appeared in the sky more than 1,800 years ago and vanished within eight months…

What is the moon phase today?

The moon’s phases are one of the most familiar sights in the night sky. Every month, we see our lone satellite wax and wane through a series…

What’s the smallest known asteroid? What about the largest?

Asteroids constantly zoom around our solar system and sometimes smash into planets, including Earth. As such, in the name of planetary defense NASA conducted a test, dubbed DART…

Watch the full ‘Worm Moon’ wriggle into the sky on March 7

March’s full moon will rise on March 7, coinciding with several holidays and festivals around the world. The Farmer’s Almanac (opens in new tab) calls March’s full moon the…

Bright new comet discovered zooming toward the sun could outshine the stars next year

A newly discovered comet may appear as bright as a star in the night sky by fall 2024. The comet, known as C/2023 A3 (Tsuchinshan-ATLAS), was first…

NASA confirms humanity can deflect killer asteroids with rockets — but only if we have years to prepare

Roughly five months after intentionally crashing a rocket into a distant asteroid, NASA has some good news: The mission was a smashing success, and similar methods could prevent…

New Hubble footage shows exact moment a NASA spacecraft slammed into an asteroid 7 million miles from Earth

The famed Hubble Space Telescope tracked dramatic hour-by-hour changes in deep space caused by a NASA probe’s deliberate asteroid crash. NASA’s Double Asteroid Redirection Test (DART (opens in…