A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

Astronomers are revealing the dramatic past of a distant red giant star by analyzing the faint rhythmic pulses hidden in its ...

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly ...

We have seen three interstellar objects in recent years. Oumuamua appeared first during 2017. The comet 2I/Borisov arrived ...

The Hubble Space Telescope has been surveying space since 1990 and has captured some interesting cosmic elements in action.

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose ...

A newly proposed type of supermassive black hole surrounded by a dense gas shell may account for the small red dots seen in ...

Constellation Perseus culminates high upon the north-south meridian around 10 p.m. Dec. 25, with its brightest star Alpha ...

Astronomers observed a white dwarf and subdwarf 4,000 light-years away, spiralling toward collision, testing Einstein's ...

High-precision astrometry and new spacecraft imagery show 3I/ATLAS made a measurable course adjustment that brought it to Jupiter's Hill sphere, provoking a rift between NASA's cometary interpretation ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...