Solar system is a collection of various celestial bodies that are held together by the gravitational pull of the sun. Our ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Volcanoes on distant moons, frozen oceans beneath alien crusts, and storms larger than Earth — this film uncovers ten ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A rare interstellar visitor has entered our Solar System, and it’s behaving in ways that have astronomers both fascinated and puzzled.

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Due to the lapse in federal government funding, NASA is not updating this website. This artist's conception compares a hypothetical solar system centered around a tiny "sun" (top) to a known solar ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...