A distant stellar explosion has offered astronomers a rare natural experiment, one that turns gravity into a powerful optical ...

A deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA, and ...

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

NASA’s SPHEREx has mapped the entire sky in 102 infrared colors, which are invisible to the human eye but can be used to ...

Bob’s Blog: "It's been a profound experience to actually feel how slow we are by watching myself grow old as we take our first baby steps among the stars" ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

The three-dimensional view will help scientists learn more about the origins of life in the Milky Way galaxy and how the ...

The final ESA/Webb Picture of the Month feature for 2025 showcases a festive-looking region filled with glowing clouds of gas ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The 19th day of the annual Space Telescope Advent Calendar shows a distinctive galaxy, featuring a vast “brim” made of dark ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

NASA’s SPHEREx Observatory maps the entire sky in 102 infrared colors, enabling 3D galaxy distribution studies, cosmic ...