A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

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

No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the red planet never ...

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

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

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

The most powerful solar storm to impact Earth in decades caused the temporary formation of radiation belts around Earth, NASA recently announced. A NASA CubeSat satellite made the discovery, which ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...