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

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

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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

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 ...

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

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

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