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Updated: 3 days 17 hours ago
Chinese astronauts beef up Tiangong space station's debris shield during 6.5-hour spacewalk (video)
Two Chinese astronauts spent more than six hours outside the Tiangong space station on Friday (Aug. 15), installing a debris shield on the third spacewalk of the Shenzhou 20 mission.
Categories: Astronomy
Look for Mercury in the morning sky as it hits peak distance from the sun on Aug. 19
Mercury is farthest from the sun in Earth's morning sky on Aug. 19.
Categories: Astronomy
Fly me to the moon: 25 finalists chosen for Artemis 2 'zero-g indicator'
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.
Categories: Astronomy
SpaceX sends 24 Starlink satellites into orbit on 100th Falcon 9 launch of the year (video)
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.
Categories: Astronomy
Think you know our solar system's dwarf planets? Test your skills with our new quiz!
Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others!
Categories: Astronomy
We're within 3 years of reaching a critical climate threshold. Can we reverse course?
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?
Categories: Astronomy
SpaceX's Super Heavy booster will fly with fresh 'grid fins' | Space photo of the day for Aug. 18, 2025
Like birds returning to their nests, these feather-like grid fins help steer rockets back down through the atmosphere toward their landing zones.
Categories: Astronomy
Northern lights may be visible in these 10 states overnight Aug. 19-20
Auroras may be visible from Alaska to Washington as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Categories: Astronomy
Hubble telescope uncovers rare star born from cosmic collision: 'A very different history from what we would have guessed'
"It's a discovery that underlines things may be different from what they appear to us at first glance."
Categories: Astronomy
Don't miss Mercury, the moon and the Beehive Cluster align in a special August morning sky show
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.
Categories: Astronomy
How much has Mercury shrunk?
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.
Categories: Astronomy
See a trio of spectacular star clusters brighten the summer sky in August 2025
The Hyades, Pleiades and Hercules star clusters make for excellent targets in the late summer months.
Categories: Astronomy
Mercury quiz: How well do you know the Swift Planet?
This quiz will explore the facts, the fun and the fascinating quirks of our solar system’s speedster, Mercury
Categories: Astronomy
How the nature of environmental law is changing in defense of the planet and the climate
The effects of Earth's changing climate is driving up the number of legal suits related to environmental issues
Categories: Astronomy
NASA and Google test AI medical assistant for astronaut missions to the moon and Mars
Google and NASA are trialing an AI-powered medical assistant that could help astronauts care for themselves when mission control is out of reach.
Categories: Astronomy
Moon quiz: For all lunatics
Think you know Earth's moon? Test your knowledge in a lunar quiz!
Categories: Astronomy
Scientists just recreated the universe's first ever molecules — and the results challenge our understanding of the early cosmos
In a first, scientists have recreated the formation of the first ever molecules in the universe to learn more about early star formation.
Categories: Astronomy
This Week In Space podcast: Episode 173 — The Return of the Malik
On Episode 173 of This Week In Space, Rod Pyle and and Tariq Malik look back at the week in space news.
Categories: Astronomy
If everyone in the world turned on the lights at the same time, what would happen?
Beyond powering lights, it's also important to think about where all that light would go.
Categories: Astronomy
Titan darkens Saturn in rare shadow transit on Aug. 19: Here's how to see it
The second largest moon in the solar system will cast its shadow over Saturn on Aug. 19.
Categories: Astronomy
