Astronomy

Mercury is farthest from the sun in Earth's morning sky on Aug. 19.

A panel of judges has selected the 25 finalists in NASA and Freelancer's global contest to design a plush "zero-g indicator" to fly to the moon with the agency's Artemis 2 astronauts.

A SpaceX Falcon 9 rocket carrying 24 Starlink satellites launched from Vandenberg Space Force Base in California on Monday (Aug. 18). It was the company's 100th Falcon 9 launch of the year.

Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others!

A report published in June found that the world only has three years before it crosses the 1.5 C climate target. So what should we do now?

Like birds returning to their nests, these feather-like grid fins help steer rockets back down through the atmosphere toward their landing zones.

Auroras may be visible from Alaska to Washington as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.

"It's a discovery that underlines things may be different from what they appear to us at first glance."

A rare August morning alignment brings Mercury, a thin crescent moon and the Beehive Cluster together in the predawn sky. Here's how you can see it for yourself.

Mercury is still shrinking as it cools in the aftermath of its formation; new research narrows down estimates of just how much it has contracted.

The Hyades, Pleiades and Hercules star clusters make for excellent targets in the late summer months.

This quiz will explore the facts, the fun and the fascinating quirks of our solar system’s speedster, Mercury

The effects of Earth's changing climate is driving up the number of legal suits related to environmental issues

Google and NASA are trialing an AI-powered medical assistant that could help astronauts care for themselves when mission control is out of reach.

Think you know Earth's moon? Test your knowledge in a lunar quiz!

In a first, scientists have recreated the formation of the first ever molecules in the universe to learn more about early star formation.

On Episode 173 of This Week In Space, Rod Pyle and and Tariq Malik look back at the week in space news.

Beyond powering lights, it's also important to think about where all that light would go.

The second largest moon in the solar system will cast its shadow over Saturn on Aug. 19.

"Being able to send something out there would enable us to take a lot more precise data than we currently can."