Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

Aging stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL and ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum ...

Astronomers at NASA and the University of California at Santa Cruz have launched a Web-based project that has amateur astronomers lining up to have a chance to discover extra-solar planets that ...

Extra-solar planets are among the most thrilling discoveries of our age. Just today, scientists using Spitzer space telescope data announced the first detection of infrared light from an extra-solar ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...