“Sex and the City” premiered 27 years ago on June 6, 1998, and with “And Just Like That” premiering almost four years ago on Dec. 9, 2021, the age-old question has arisen once again in a new ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the second-nearest star system to Earth.

A chemical found in the atmosphere around an exoplanet that leads researchers to believe the planet may harbor life is called ...

Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called brown dwarfs, in a vibrant star-forming region of our galaxy called the Flame Nebula. Brown dwarfs ...

This month, a total lunar eclipse and blood moon will be viewable across the U.S. Here's the best times and places to view ...