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

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Couldn’t we all do with a little stress reduction? Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment.

A new model improves understanding of how solar wind particles escape and accelerate, offering better predictions of solar storms and their impact on space weather. Credit: NASA/SDO/AIA/Goddard Space ...

The Babylonians were pioneers in documenting celestial events, and their observations laid the groundwork for later astronomical studies, according to research by the Aldo and Cele Daccò Solar ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

"This is saying, to some respect, that our model of cosmology might be broken." There are two gold-standard methods for working out the Hubble constant — the value that quantifies the speed of ...

Copyright 2025 The Associated Press. All Rights Reserved. Thousands of sheep graze across rural Texas plains to maintain vegetation at one of the country’s largest ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

But such events are not just a spectacle for stargazers – they can also have a real impact on our Solar System and offer the potential to gain new insights into our place within it. The eight ...