All the latest content from the Space.com team
Updated: 2 hours 19 min ago
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.
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.
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
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
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.
Moon quiz: For all lunatics
Think you know Earth's moon? Test your knowledge in a lunar quiz!
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.
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.
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.
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.
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."
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.
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.
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.
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.
X-ray telescope finds something unexpected with the 'heartbeat black hole'
Unexpected X-ray polarization challenges long-held ideas about how black holes behave.
Canada's 1st commercial spaceport is officially under construction. When will it open for launches?
Canada's first commercial rocket launch is set for liftoff as early as the end of August as NordSpace begins building its new spaceport on the country's east coast.
Every original 'Star Trek' character who has appeared in 'Strange New Worlds'
Going boldly where someone has gone before! The "Star Trek" prequel series is overflowing with characters who debuted in the 1960s.
This Week In Space podcast: Episode 172 — Earth on Mars
On Episode 172 of This Week In Space, Rod Pyle and guest host Rick Jenet are joined by Erika Alden DeBenedictis to discuss how terraforming Mars might work.
This Week In Space podcast: Episode 171 — What's an UNOOSA?
On Episode 171 of This Week In Space, Rod Pyle and guest host Isaac Arthur are joined by Rick Jenet to discuss the United Nations Office of Outer Space Affairs (UNOOSA).