At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Amir Siraj and team propose Planet Y, a possible unseen planet influencing Kuiper Belt object orbits. Vera C. Rubin ...

The post Astronomers Hoping To Be Ready To Send A Probe To The Next Interstellar Object That Enters Our Solar System first on ...

In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may 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 ...

Loeb has also pointed out that the object’s highly unusual trajectory brings it suspiciously close to Jupiter, Mars, and ...

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

Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Harvard scientist Avi Loeb, who has made headlines for his theories about interstellar objects, says we are "probably not" ...