For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions ...

From the deck of a ship or the window of a plane, it feels obvious that “down” points toward Earth and “up” points toward the ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Saturn will appear alongside the moon in Nevada skies during a planetary conjunction this January. Here’s how to spot it and ...

Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a ...

Dark stars are some of the most exciting astrophysical objects to possibly exist, as their study would allow for a ...

As Hurricane Helene battered Florida, NASA’s AWE mission detected atmospheric waves, hinting that extreme storms influence ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. On Feb. 22, 2020, "Mad" Mike Hughes towed a homemade ...

In case you've faced some hurdles solving the clue, DC superhero with adventures on Earth and in space, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your ...