After an extended wait, 'Strange New Worlds' will boldly go once more next week—so here's a reminder of where everything left ...

The James Webb Space Telescope has made yet another stunning discovery to round out three years of space exploration. This ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

On July 11, 2022, the James Webb Space Telescope finished its commissioning and commenced science operations. In the three ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...