Asteroids Asteroids have been floating in the dark abyss of space for millions of years. They're often called the remnants of ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

A very long solar filament that had been snaking around the Sun erupted with a flourish. The bright light of a solar flare on ...

Studies of asteroid Bennu delivered to Earth by NASA’s OSIRIS-REx spacecraft have revealed molecules that, on our planet, are key to life.

Researchers have attached tiny QR codes to hundreds of honey bees in an effort to track the insects' foraging habits.

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...