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

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Funding Freeze Sets Off New Fight Over Trump’s Vision for His Government President Trump’s order freezing trillions of dollars in federal grants and loans seeks to eliminate all spending on ...