An automated data-sharing system co-developed by SpaceX and American radio astronomers promises to protect radio telescopes ...

In a new study published in The Astrophysical Journal Letters, astronomers reexamined the size and brightness of Earendel, ...

At just about 10 km (6 miles) in diameter, S/2025 U1 is incredibly small as far as moons go; it’s so tiny that Voyager 2, ...

When people picture space, they often imagine endless black emptiness dotted with planets and stars. But new research shows ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that ...

For the first time, scientists have directly tracked the slow transformation of a dying star over more than a ...

Astronomers have used a new type of extreme supernova in which a massive star was stripped right "down to the bone" to better ...

In this exclusive interview, the lead researchers behind the discovery explain how NASA’s James Webb Space Telescope spotted ...

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to ...

A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering ...

An ‘extremely stripped supernova’ confirms the existence of a key feature of physicists’ models of how stars produce the ...

Prior to flybys, scientists used mathematical laws and observation to determine the characteristics of the planets.