The asteroid belt is found orbiting between Mars and Jupiter and is a vast collection of rocks that is thought to be a planet that never formed. When our Solar System formed 4.6 billion years ago, the material in this region should have coalesced into a planet, however, Jupiter's gravitational influence prevented this from happening, stirring up the region so that collisions became destructive rather than constructive. What remains today contains only about 3% of the Moon's mass scattered across millions of kilometres.
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Chinese astronauts add debris shielding to Tiangong space station during 6-hour spacewalk (video)
Two Chinese astronauts installed more debris shielding on the Tiangong space station during a six-hour spacewalk on Friday (Sept. 26). It was the fourth EVA of the Shenzhou 20 mission.
IAC 2025 - One-to-one with ESA Director General Josef Aschbacher
Video: 00:14:08
Watch the one-to-one interview with Josef Aschbacher, Director General of the European Space Agency (ESA), extracted from Plenary 1 of the 76th International Astronautical Congress (IAC 2025). In this session, he shares his insights into ESA's strategic vision.
A Black Hole Merger's "Kick" Was Measured For The First Time
Black hole mergers are some of the most violent events in the universe. Just how violent is becoming more clear in part due to a new paper published in Nature Astronomy. For the first time, it tracks the “recoil” that the newly formed black hole gets from asymmetric gravitational waves that are released during the merger. Turns out they are strong enough to “kick” the new, supermassive combined black hole into motion at a speed of thousands of kilometers a second.
Hubble Telescope finds galaxy with puzzling shape | Space photo of the day for Sept. 29, 2025
The Hubble Space Telescope saw a galaxy that has features of both elliptical and spiral galaxies, puzzling experts.
Mysterious crown-like features on Venus may finally have an explanation
Scientists have proposed a new explanation for Venus' giant, crown-shaped geological features, known as coronae.
Scientists Discover First Evidence of Lava Tubes on Venus
Venus is often called Earth's "sister planet" because of their similarities in size, mass, and composition. Both are rocky worlds that formed around the same time in the inner Solar System however, despite these similarities, Venus evolved into a world vastly different from Earth, with surface temperatures around 465°C, crushing atmospheric pressure 90 times greater than Earth’s and thick clouds containing sulphuric acid circling the planet. These dramatic differences between two such similar planets make Venus a fascinating subject for planetary scientists to study.
SpaceX launches Starlink satellites from Vandenberg in California
A SpaceX Falcon 9 rocket carrying 28 Starlink satellites launched from Vandenberg Space Force Station in California on Sunday, Sept. 28, 2025.
Live coverage: SpaceX to launch 28 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
File: A SpaceX Falcon 9 rocket stands ready to launch the Starlink 7-14 mission from Vandenberg Space Force Base. Image: SpaceX
Update Sept. 28, 2:42 p.m. EDT (1842 UTC): SpaceX adjusted the T-0 liftoff time.
To the stars: a stellar trivia quiz
This quiz will take you on a journey through the life cycle of stars, their classification, and the incredible processes that power them.
How unexploded bombs cause environmental damage – and why climate change exacerbates the problem
One of the key ways war leads to environmental harm is by leaving behind unexploded weaponry.
Astronauts welcome NASA's new 'ascans' | On the International Space Station Sept. 22-26, 2025
Expedition 73 crewmembers sequenced DNA and worked with virtual reality glasses this week, while also continuing to unpack cargo vehicles and congratulating NASA's 24th group of astronaut candidates.
Lego Ideas The Evolution of STEM review
This might just be one of our favorite science-themed Lego sets ever made.
See our neighboring galaxy Andromeda shine in stunningly detailed astrophotography portrait (photo)
The Milky Way's closest neighbor shines in a spectacular new astrophotography portrait.
This dwarf planet has gas: Makemake's methane surprises scientists
The James Webb Space Telescope has detected methane gas on the dwarf planet Makemake, indicating that the distant body is a dynamic icy world.
Streak seekers: The ultimate meteor shower quiz
This skywatching quiz will test your meteor shower mastery — from fiery streaks to cosmic origins.
Alien: Earth – how realistic are the extraterrestrials? Three experts rank them
Like many fans we are simply having fun using science to analyze the creatures.
Lego Duplo 3-in-1 Space Shuttle Adventure review
For tots with an interest in outer space, the Lego Duplo 3-in-1 Space Shuttle Adventure set is a wonderful thing that promotes imaginative play.
This Week In Space podcast: Episode 179 — The New Crew of Artemis II
On Episode 179 of This Week In Space, Rod Pyle and Tariq Malik are joined by Josh Dinner for coverage of NASA's new class of astronauts and upcoming Artemis II mission to the moon.
After almost 20 years helping to operate rovers on Mars, NASA geologist and astronaut candidate Lauren Edgar says stepping foot on the Red Planet 'would be a dream'
Edgar once designed science experiments for astronauts to perform. Now she'll be the astronaut performing them.
