Ancient Greek astronomers likely observed Uranus as a star, but limited tools and geocentric views kept them from recognizing ...

A new study suggests that unidentified "co-orbital asteroids" around Venus may have the capacity to impact our planet in the ...

The atmosphere itself is… not so fine. It's mostly carbon dioxide, which hey, it's what plants crave, but also a lot of ...

What's happening in the skies over North Texas this month? June holds some spectacular sights in the night and morning sky.

Under such scenarios, Mercury frequently crashes into the Sun or Venus, setting off cascading changes that alter the orbits ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Then you might just be an earth sign. “Earth signs are the practical planners of the zodiac,” Edut says. “They actually make ...

“In the universe, an absolute vacuum is rare, and most of the universe is very low-density high-temperature plasma,” said Chris Impey, an astronomer at the University of Arizona. “In principle, sound ...

Enigmatic structures on Venus could reveal unexpected activity. These formations, called coronae, are massive circular to ...

Astronomers reported Monday that the probability of the two spiral galaxies colliding is less than previously thought, with a ...

South Korea’s state-backed Institute for Basic Science has ordered the first of five cubesats to study Venus from LEO ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out before sunrise and face east. There, you’ll ...