The most energetic events in the universe are gamma ray bursts, beams of radiation so intense they could wipe out all life on ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

A mysterious object from interstellar space is screaming through our solar system right now, and is expected to rip past Mars and Jupiter over the coming months before exiting back into the void ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

(CNN) — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

Here’s what you’ll learn in this story: ⁠Extraterrestrial meteorites might be of interstellar origin for a few reasons. They may have unusual compositions, be crystals that formed earlier than our sun ...

I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft.