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
A boom in gravitational waves leaves scientists with more questions than answers
A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes
SpaceX now has more than 10,000 Starlink satellites in orbit
Once unfathomable, the milestone of a single company having 10,000 satellites operating overhead signals that the era of mega constellations is here to stay
Galaxies without dark matter mystify astronomers
Bizarre objects that seem to lack all dark matter present a cosmic mystery
A 100-year-old theory might explain what’s wrong with quantum mechanics
One physicist is on a mission to get scientists to look into Louis de Broglie’s pilot wave theory
What Bugonia reveals about the real search for aliens
In the Oscar-nominated film Bugonia, Emma Stone’s character is accused of being an alien. But would we know extraterrestrial life if we saw it on Earth?
Earth’s spin is slowing at an unprecedented rate, thanks to climate change
Rising sea levels are slowing Earth’s rotation, lengthening days by 1.33 milliseconds per century
24 mice launched to orbit in 2023. What happened to their bodies could help humans better survive in space
The human body is not built for life in space, and a new study helps reveal how