First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

SPHEREx detected a mix of molecules streaming off the comet, including water ice, carbon dioxide, and rocky material.

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

In 2021, an 85 mile wide comet entered our solar system. Watch to learn more!

NASA's SPHEREx telescope captured a significant outburst from interstellar comet 3I/ATLAS, revealing unique chemical insights into extraterrestrial material.

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to ...

The MAPS Comet is expected to reach perihelion in early April, passing only 99,600 miles (160,200 km) above the surface of the sun (photosphere). To survive such a close approach, the comet needs to ...

This NASA aircraft isn’t about smooth rides, it’s about floating, falling, and repeat. Are we about to see a replacement?

New rush hours trains have been provided for Hertfordshire commuters to improve travel to and from London. On Monday, Great Northern introduced an extra weekday trains during both morning rush hour ...

For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the ...