After a close look with a powerful radio telescope, astronomers are still puzzled by a pair of objects with strange ...

University of Arizona researchers have unveiled evidence of romance at the farthest reaches of the solar system: a cosmic ...

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

January 20, 2025. More for You ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

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

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

Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...

Six planets grace the sky this month in what's called a planetary parade — Venus, Mars, Jupiter and Saturn are visible to the ...

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

How many planets are there? As with the discovery of Uranus, the answer depends on who you ask. Detail from Joseph Wright of ...

NASA astronaut Don Pettit, flight engineer for the Expedition 72 crew, proved that when he witnessed Comet ATLAS from the ...