Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

Apropos of its reputation for living large and betting big, Jupiter is the largest planet in our solar system. In terms of nomenclature, Jupiter is the Roman equivalent of god daddy Zeus ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...