On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

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

Ambitious plans for lunar bases and Martian habitats present unique challenges, especially in coordinating time across ...

Blue Ghost and New Glenn started off the year right. Many more launches are on the way, and many can be watched online.

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

You may see a round, red moon on the day whose digits, 3/14, look like an approximation of the mathematical constant related ...

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the spacecraft captured the imagery. Credit: Space.com | footage & orbit animation cou ...

Astrophysicists have imaged a large number of exocomet belts around nearby stars, and the tiny pebbles within them. The crystal-clear images show light being emitted from these millimeter-sized ...

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

In the photo from the space station, the comet is captured just above Earth’s horizon, which is illuminated by a bright light ...

The Solar Orbiter has delivered the "highest resolution image ever of the Sun’s south pole", according to the European Space ...