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Updated: 1 week 21 hours ago
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
Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere
"Being able to send something out there would enable us to take a lot more precise data than we currently can."
Categories: Astronomy
SpaceX aims to launch Starship Flight 10 test flight on Aug. 24
SpaceX is targeting Aug. 24 for the 10th Flight Test for its Starship rocket, following delays from a pad accident and May's failed mission.
Categories: Astronomy
Blue Origin's 2nd New Glenn rocket launch will fly twin NASA Mars probes to space on Sep. 29
Blue Origin's powerful New Glenn rocket will launch NASA's ESCAPADE Mars mission no earlier than (NET) Sep. 29.
Categories: Astronomy
NASA wants new spacecraft to fly to hard-to-reach orbits around Earth and in deep space
NASA has awarded $1.4 million to six companies, to further their ideas about how to get vehicles farther into space cheaply and efficiently.
Categories: Astronomy
Russia to launch 75 mice, 1,000 fruit flies on Aug. 20 to study spaceflight effects
Russia is readying its Bion-M No. 2 biosatellite for a planned Aug. 20 launch. The mission will send 75 mice and other specimens on a monthlong mission to Earth orbit.
Categories: Astronomy