With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

An advanced imaging system developed at the University of Arizona boasts a shape-shifting mirror that delivers observing ...

Astronomers using a cutting-edge adaptive optics instrument, MagAO-X, have captured unprecedented images of young planets orbiting the star PDS 70. These "baby planets" are surrounded by dust rings ...

Astronomers have long believed that the swirling disks of gas and dust that form planets around young stars last only about ...

The images come from NASA's image archive Gateway to Astronaut Photography of Earth. They were taken in rapid succession, ...

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The ...

A major highlight of the mission will take place on March 14, when Blue Ghost captures high-definition images of a total ...

In 11 Questions, The A.V. Club asks interesting people 11 interesting questions—and then asks them to suggest one for our ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

It may look beautiful but what it reveals is an alarming picture of a heating planet. The graphic shows the increase in daily global temperatures between 1940 and the end of 2024 compared to the ...

A new book shows how residents of wealthier nations are jeopardizing the health and safety of other parts of the planet.