Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

Recently, astronomers detected the presence of a relatively new quasi-moon called 2025 PN7, which appears to orbit our planet ...

Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...

Astronomers have learned that this white dwarf, the remnant of a medium-size star after running out of nuclear fuel, has gobbled up a rocky planet from its former system. The weird part: This white ...

The newly discovered 2025 PN7 is irregular in shape and only around 20 metres wide, and technically a “quasi-moon" or “quasi-satellite” because, unlike our Moon, it doesn’t orbit the Earth.

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

The sun will square Pluto on Oct. 24, triggering everything from ego trips to unexpected plot twists. Here's what the transit ...

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

Astronomers confirmed a new "quasi moon" known as 2025 PN7 will be around until at least 2083, giving plenty of time for ...

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

Researchers discovered a hidden 185,000 light-year "bridge" of gas between two distant galaxies, which are also trailed by a ...