Large telescopes are custom-built and rare. There is no standard practice or model. Every time a large telescope is built, its designers must re-think the challenges, check every application, and ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that revolutionize astronomy.

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

The European Southern Observatory's Very Large Telescope (ESO-VLT) has captured clear images of 3I/ATLAS, a fast-moving interstellar comet that the Sun's gravity can't slow down.

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

European Southern Observatory’s Very Large Telescope took photos a rare supernova roughly 300 years after it happened ...

Astronomers uncover the first direct evidence for how some white dwarf stars explode, confirming the long-debated ...

The camera, now bolted to the end of a giant telescope at the Rubin Observatory, is expected to shoot photos of 20 billion galaxies, to be stitched together in broad panoramas giving astronomers ...