This is something we’ve never seen in stars that are analogs of stars in the early universe,' an astronomer said.

In the companion study, currently under peer review, Webb imaged Sextans A's interstellar medium and discovered polycyclic ...

A dead star in our galactic neighborhood has produced a shimmering, ringed structure that looks uncannily like a cosmic ...

Using NASA’s James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Weeks after a rare interstellar comet made its closest pass to the sun, it will make it’s closest pass to Earth. NASA’s Psyche mission acquired four observations of interstellar comet 3I/ATLAS over ...

Eager skywatchers will soon have front-row seats to a rare cosmic encounter as interstellar comet 3I/ATLAS makes its closest approach to Earth, and you can watch it happen live online tonight! The ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet. When you purchase through links on our site, ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

3I/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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA JPL pinpoints the moment the interstellar visitor passes closest to our planet. . | Credit: ...