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 ...

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

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

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

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

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

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 ...

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

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 ...