Astronomers gather more clues about interstellar comet 3I/ATLAS

A Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Background stars appear as streaks because…

We’ve discovered the most massive black hole yet

Scientists have identified an ultramassive black hole billions of light years away IgorZh/Shutterstock A gargantuan black…

How we could explore a black hole with an interstellar nanocraft

An illustration of a spaceship sailing close to a black hole liuzishan/Getty Images An interstellar probe…

New NASA head wants to build a nuclear reactor on the moon – but why?

A concept image of NASA’s Fission Surface Power Project NASA NASA is going to build a…

Can we send a spacecraft to intercept interstellar object 3I/ATLAS?

NASA’s Juno spacecraft could be sent to intercept the interstellar object NASA/JPL-Caltech An interstellar object currently…

Signs of alien life on exoplanet K2-18b have all but vanished

An artist’s impression of the exoplanet K2-18b A. Smith/N. Mandhusudhan Hopes of finding alien life on…

Cameras that work like our eyes could give boost to astronomers

The Sirius binary star system photographed with a neuromorphic camera Satyapreet Singh, Chetan Singh Thakur, Nirupam…

How to spot the Delta Aquariids meteor shower this month

John Chumack/Science Photo Library One of my favourite ways to stargaze is to spend a few…

A vast bubble around a dying star is too big to comprehend

The bubble of gas around the red supergiant DFK 52 ALMA/Mark Siebert et al. 2025 A…

Peculiar galaxy seems to contain surprisingly pristine stars

Abell 2744, the galaxy cluster where AMORE6 was spotted NASA, ESA, Jennifer Lotz, Matt Mountain, Anton…