NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

NASA observes interstellar comet 3I/ATLAS unexpectedly flaring as it leaves the solar system, revealing water vapour and ...

in search of perihelion ...

This hyperbolic Oort Cloud comet, on an inbound journey spanning millions of years, reached perihelion, closest position to ...

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

For the first time, researchers have found what seems to be a cloud of dark matter about 60 million times the mass of the sun in our galactic neighbourhood ...

Asteroids are not just random rocks — some are massive, fast, strangely shaped, or on trajectories that make scientists pay ...

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system. Unlike the wind we feel .

An important event has taken place around 3I/ATLAS, as a group of eight images have been captured showing the appearance of ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...