The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on astronomy.

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

The close alignment of Venus, Saturn, and a crescent moon created a formation resembling a smiling face during a rare cosmic event.

From your WhatsApp messages to your work emails, it can sometimes feel like emoji are everywhere you look. But tonight, a ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

Let's start with the human eye. The human eye has an angular resolution of about 1 arcminute. That's pretty impressive. Take ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

A stunning new image from the James Webb Space Telescope (JWST) is allowing astronomers to examine the complex and turbulent ...

A capable telescope can treat you to awe-inspiring views ... but the difficulty is in finding a time it's high enough above the horizon to be visible while the Sun is below it. For more information on ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

The Sephora Savings Event is ending tonight, meaning you have until 3 a.m. EST to get discounts on best-selling beauty. The event kicked off on April 4 for Sephora’s highest Insider tier ...

open image in gallery NASA’s James Webb Space Telescope has observed what is thought to be the first-ever recorded planetary engulfment event. The observations yielded surprising results (NASA ...