“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Israel, said in a statement. “The size of Jupiter hasn’t changed, of ...

A possible rocky exoplanet referred to as a 'cold Earth' that could orbit on the outer edge of the habitable zone has been found around a star 146 light-years away.

Eliza Frankel, a University of Wyoming Ph.D. student studying physics and astronomy, was one of seven graduate students honored with the Chambliss Astronomy Achievement Student Award at the 247th ...

Astronomers have strengthened long-standing predictions that massive runaway stars could have originated in binary pairs, and ...

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...

The parchments initially contained references to a star catalog and maps created during the second century B.C.E.

Shapley’s award of the 2026 Dannie Heineman Prize for Astrophysics will be presented at the 249th AAS Meeting, Jan. 10-14, ...

On September 1, 1859, Carrington was observing the Sun when he witnessed the most powerful event ever recorded. It bears his ...

A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...

Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations ...

Astronomers using the Event Horizon Telescope -- a planet-scale array of eight ground-based radio telescopes -- have identified the likely starting point of a massive cosmic jet in the heart of ...

Last week AES Andes—a subsidiary of the AES Corporation, an American energy company—announced it had scrapped its plans for a ...