Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University of Virginia. He has written four books on astronomy and consulted on space ...

Here's an observers' guide to the newly discovered Comet 2025 F2 (SWAN), which is visible in northern skies right now.

Four planets in the solar system are about to appear in alignment in the night sky. Here's how stargazers will be able to see ...

Dune. Star Wars. Alien. Science fiction movies love alien worlds, and so do we. But how do scientists find planets outside ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

The next year of science on the James Webb Space Telescope has been announced amid mounting budgetary uncertainty that could ...

At a famous 1950 lunch among physicists, Enrico Fermi wondered, "Where are all the aliens?" How far have we come toward ...

We've reached the quarterfinal round of men's and women's singles play in the BNP Paribas Open, and weather permitting, we should have some outstanding tennis Thursday.

The American Academy of Dermatology suggests choosing a sunscreen that advertises a sun protection factor (SPF) of 30 or higher. Choose a sunscreen that protects against both UVA and UVB rays.

On Friday, Mr. Trump submitted an emergency appeal asking the high court to overturn an order from a district court judge, James Boasberg, that blocked his use of the 18th-century law. The acting ...

A dramatic sunrise solar eclipse tomorrow (March 29) will be the first one visible in North America since April 2024. Here's how to get the best view of the partial eclipse before it ends.