Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Imagine standing on a scorched landscape where the ground is cracked and shimmering, and the sky glows a deep, fiery orange.

Wasn't great last night, but caught a few meteors crossing the sky in the Lyrid meteor shower with a "Star Trails" capture on ...

In 1996, a Nasa team announced a Martian meteorite discovered in Antarctica bore signs of past alien life. Specimen ALH84001 ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

Venus and Saturn will align with a crescent moon to create the illusion of a smiley face in the sky on the morning of April ...

Skywatchers worldwide will witness a rare celestial event for a brief time on April 25 when Venus, Saturn, and a crescent Moon will align in the early morning sky, creating a striking triangular ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Originally, the hypothesis was that Theia gave the Earth a glancing blow, and the proto-Earth and Theia lost pieces ending up as one or two moons that eventually formed the Moon. It was thought that a ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.