The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

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

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... and sent pieces of the red planet hurtling through space. One of these chunks of Mars ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...