Science

a large radio antenna with a crowd of people below

Aliens? It's, once again, never aliens.

Radio signals keep coming from deep space. Here's what they really are.

It'll be safe, engineers say. How a NASA nuclear rocket engine could unleash the solar system
Longer than California An enormous Martian cloud returns every spring. Scientists found out why.
The size of Florida Scientists just spotted unnerving melting beneath the 'Doomsday Glacier'

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Climate Change
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Latest

The arrow designates the newly discovered supernova in the Pinwheel galaxy. A huge star just exploded, and you can actually see it
A picture of the model. Lego's new Mars Rover Perseverance is ready for a new mission
Solar telescope observing sunspot These new telescope images of the sun are just spectacular
NASA's Perseverance rover captured a view inside Mars' Belva Crater. NASA rover video shows astonishing view into Mars crater
Blue Moon landing on the moon Bezos can finally make NASA a moon lander. It's called Blue Moon.
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Videos

An illustration of a brain seen from above against a red futuristic backdrop. Caption reads: AI MIND READING.
AI is getting better at reading our minds
SpaceX's SLS rocket stands ready to launch.
How to watch the SpaceX Starship launch livestream
Rings of Uranus
The Webb Telescope finally shows us Uranus' glorious rings
An image of Wendy Ahonda in a life jacket juxtaposed with an aerial shot of a submerged area in South Sudan
Why is the world's newest country facing an existential threat?
Trappist Planets
What the Webb Telescope can tell us about the TRAPPIST planets
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Deals

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NASA has released an retro arcade game about the Nancy Grace Roman Telescope
Make sure water is safe for your dog to play in with this quick and easy blue-green algae test
Make sure water is safe for your dog to play in with this quick and easy blue-green algae test
Pamper your pet with free same-day delivery at Petco when you spend over $35
Pamper your pet with free same-day delivery at Petco when you spend over $35
5 on-sale space heaters that can keep you warm and reduce your bill this season
5 on-sale space heaters that can keep you warm and reduce your bill this season
Grab this planetary desk accessory while it's on sale
Grab this planetary desk accessory while it's on sale
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Features

At last, we can build a Space Elevator — sort of At last, we can build a Space Elevator — sort of
How a coin for carbon could save the planet How a coin for carbon could save the planet
Why it's impossible to forecast the weather too far into the future Why it's impossible to forecast the weather too far into the future
Welcome to Cloud City: The case for going to Venus, not Mars Welcome to Cloud City: The case for going to Venus, not Mars
Coronavirus and the indoor farming revolution Coronavirus and the indoor farming revolution
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