Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these ...

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

Early risers will get a rare opportunity to see something extraordinary in the early hours of July 18 — the dark shadow of ...

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources ...

“For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our Sun,” says Melissa McClure, a professor at Leiden University in the ...

“We’ve always known that the first solid parts of planets, or ‘planetesimals’, must form further back in time at earlier ...

Scientists have long theorized that planets, including those in our solar system, form from interstellar dust and gas as it ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it. Too ...

A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...