Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday. The findings provide the ...

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

Io, Jupiter’s fiery moon, just erupted with enough energy to power Earth six times over! NASA’s Juno mission captured this ...

Jupiter’s moon Io is the most volcanically active world in the Solar System. The gravitational tug-of-war between Jupiter and ...

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

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

"There is little question that, with its daylight display and spectacular evening apparition in a moonless sky, Comet 2024 G3 ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

The Moon passes 0.3° south of the bright red giant star Antares at 7 P.M. EST. However, the pair isn't visible this evening, as they'll rise in the early-morning sky, so we'll feature them tomorrow.