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Why does Mars look purple, yellow and orange in ESA's stunning new satellite image?
By Perri Thaler published
Surprising colors and stunning features are captured in a new image of Mars' surface.

US military cuts climate scientists off from vital satellite sea-ice data
By Keith Cooper published
In the latest attack on science by the Trump administration, researchers at the National Snow and Ice Data Center will no longer receive data from a fleet of military satellites.

What is the moon phase today? Lunar phases 2025
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

For 100 years, we have marveled at planetariums. Here’s a brief history of how humans brought the stars indoors
By Martin Bush, Tanya Hill published
Humans have used the stars to navigate, keep time, and understand our place in the universe.

Rare snowfall in Atacama Desert forces the world's most powerful radio telescope into 'survival mode'
By María de los Ángeles Orfila published
The ALMA radio telescope array in the Atacama Desert temporarily halted operations after a rare snowfall blanketed the base camp last week.

NASA's James Webb Space Telescope mission — Live updates
By Robert Lea last updated
Read the latest news about NASA's James Webb Space Telescope.

Could signs of Mars life be hidden in its thick layers of clay?
By Victoria Corless published
Mineral-rich layers of clay suggest that ancient life could be possible on the Red Planet

Biting the 'Bullet': Amazing new JWST photo shows titanic collision of galaxy clusters
By Keith Cooper published
It's another step on the road to one day discovering what dark matter could be.

Very massive stars vomit vast amounts of matter before collapsing into black holes
By Robert Lea published
Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this transformation, they may vomit out more stellar material than we knew.
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