A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

Rumya Sundaram, Citizen Scientist Coordinator for the Key Biscayne Community Foundation, will present this month’s Citizen ...

The eight major planets of our Solar System orbit the Sun in the same flat plane, and all at different speeds. Mercury, the closest planet to the ... of Chandra, its X-ray Observatory.

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...