Space & Physics

Beta Pictoris d is more than twice the size of Jupiter, but it is a baby compared to its humongous neighbors

Solar eclipses are a rare and brief opportunity for scientists to gather data on everything from the physics of the sun to air pressure in the upper atmosphere

Scientists have long suspected that this star cluster was a hotspot for a certain kind of black hole. But for decades, they had been unable to spot any

Erythrulose—a sugar found in raspberries—is also prevalent in a giant molecular cloud close to our galaxy’s core, scientists have discovered

The inaugural launch and first-stage booster recovery of China’s Long March 10B rocket intensifies the nation’s spaceflight rivalry with the U.S.

Other planets have moons, too. Do they get eclipses like we do?

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed light on how Earth became habitable

A recent study in the journal Nature carries cosmos-quaking implications for our understanding of the universe—except a new preprint says that it’s wrong

A best-yet measurement of one of general relativity’s most mind-boggling effects is “another feather in Einstein’s cap”

For almost 60 years, a global ban on nuclear weapons in space has held up. But the growing number of satellites and increasing geopolitical tension has scientists worried the moratorium could fail

To align Coordinated Universal Time with Earth’s rotation, a second occasionally gets added to the year. That may change in 2027

Probing the dawn of the cosmos for clues to how the first galaxies and supermassive black holes formed is no easy feat