Can future astronauts be put into comas for long-distance space travel?
The science-fiction film Project Hail Mary sees Ryan Gosling go to space in a state of suspended animation. But does the science suggest that’s possible?
How accurate is the science in Project Hail Mary?
This science-fiction movie plays with quantum physics, space travel, astrobiology and mass-to-energy conversion
What’s the most massive star in the universe?
Just how big can a star become? The answer depends on when in cosmic history you’re asking the question
Andy Weir on Ryan Gosling, alien contact and the wild science of Project Hail Mary
The author of the novel Project Hail Mary breaks down aliens, anxiety and the process of bringing his story to the screen
When did plate tectonics on Earth begin? New research finds some of the earliest clues
Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years
How the Project Hail Mary directors brought science to the big screen
Project Hail Mary directors Christopher Miller and Phil Lord talk about astrobiology, optimistic science fiction, heist films and handsome scientists
Something extremely weird is happening to our galactic neighbor. Scientists think they know why
The stars in the Small Magellanic Cloud aren’t behaving the way they should. A cataclysmic collision with another nearby galaxy may be the culprit
Modern rocketry turns 100—and NASA says the best is yet to come
A century after Robert Goddard’s first-ever launch of a liquid-fueled rocket, two NASA experts weigh in on what his legacy still holds for spaceflight’s future
There might be less water on the moon than we’d hoped
New satellite data come up dry as the search for lunar ice continues
NASA’s Perseverance Mars rover discovers even older lost rivers at Jezero Crater
By plying its ground-penetrating radar in the depths of Mars’s Jezero Crater, this rover has found even older deltas buried beneath those seen on the surface from space
An asteroid just exploded above Ohio with the force of 250 tons of TNT
Eyewitness accounts and videos taken from across the Midwest reveal the streak of a large fireball across the daytime sky
A ‘charmed’ new particle is discovered at world’s largest atom smasher
The Large Hadron Collider just produced a never-before-seen particle made of charm and down quarks