In the world of black holes, there are generally three size categories: stellar-mass black holes (about five to 50 times the ...

Every 44 minutes, a mysterious space object nearly 15,000 light-years away sends out a blast of radio waves and high-energy X ...

NASA and the European Space Agency launched an astronomical revolution. When the Space Shuttle Discovery roared into the sky ...

Astronomers have discovered a strange object in our galaxy that flashes every 44 minutes—and it’s unlike anything we’ve seen ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

By combining observations from NASA’s powerful Chandra X-ray Observatory and Australia’s ASKAP radio telescope on Wajarri Country, astronomers zeroed in on an object named ASKAP J1832−0911 (or simply ...

A massive barred spiral galaxy from the early Universe has stunned astronomers by forming stars at 300 times the rate of the ...

Astronomers from the International Center for Radio Astronomy Research (ICRAR), in collaboration with international teams, have made a startling discovery about a new type of cosmic phenomenon.

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

NASA's JWST has uncovered solid water ice in a distant star system, reshaping our understanding of life's building blocks and ...