Learn how to spot Sirius, Procyon and their canine constellations, and discover the myths and science behind the dog stars. When you purchase through links on our site, we may earn an affiliate ...

Faculty Associate Ethan Zuckerman argues that billionaires' predictions about tech futures reveal their psyches, namely, "their hopes and fears." Zuckerman writes: "Behind the hope of [artificial ...

Stargazers around the world were treated to a rare and dramatic sight in 2025, as three remarkable comets swept into the inner solar system, survived close encounters with the sun, and then ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

The darkness of the night sky is one of the universe’s greatest deceptions. According to an ancient paradox, an infinite universe should be ablaze with starlight. This video reveals the modern ...

Star-gazers flocked around Cape Ann to catch a glimpse of the northern lights in a vibrant display Tuesday that perhaps surpassed two occurrences in 2024. And space weather forecasters expected more ...

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

A new comet was discovered last month. Now, as we go through this month, the comet may become easier to view. The new comet was discovered by a sky imaging instrument called SWAN. SWAN stands for ...

Skywatchers, mark your calendars! The Chi Cygnids meteor shower, known for its five-year cycle, is expected to peak around September 14, 2025. While typically weak, this shower promises a potentially ...