New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

For Harold Kozak, one of life’s greatest pleasures is the opportunity to educate the public about the stars and the vast ...

Earlier this month, astronomers observed a mysterious object with interstellar origins speeding through the inner solar system. It's an exceedingly rare occurrence, marking only the third confirmed ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

NISAR, a new Earth-observing satellite, is a collaboration between NASA and India’s space agency. A new radar satellite, ...

July 21, 2025. More for You ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...