New data from the James Webb Space Telescope may solve a riddle from the universe’s beginnings. A compact, distant object called “The Cliff” appears to show that many of the mysterious “little red ...

At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio band fluctuation with the word “Wow!” in red pen, thereby giving it a ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...

In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Chile identified a comet that originated from interstellar space. Arriving in the direction of the ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Astronomers are desperately trying to learn more about a strange object in our solar system. It's a comet that they're calling 3I/Atlas.

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than previous interstellar visitors.

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Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings at a rate of six billion tons a second.

I/ATLAS, the third interstellar visitor to the Solar System, got the entire scientific community talking after initial observations of the celestial object prompted Harvard astrophysicist Avi Loeb to ...