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A comet breaks apart in this series of images from NASA’s Hubble Space Telescope. The comet was C/2025 K1 (ATLAS) (not to be confused with the interstellar comet 3I/ATLAS). These

We tell you all you need to know about halos in our YouTube video here. Don’t forget to subscribe! What causes halos? Have you ever looked up and spotted a

Artist’s concept of a collision of 2 exoplanets. Light from the collision in a star system called Gaia20ehk could be seen in the year 2021. Image via Anastasios Tzanidakis/ University

View larger. | Artist’s illustration of a new telescope conceived for seeking other Earths. It would be a hybrid: partly ground-based and partly space-based. The starshade in orbit (top center)

A new study suggests our sun might be a migrant from a more central region of our home galaxy, the Milky Way. It suggests our sun joined a migration of

Artist’s concept of interstellar comet 3I/ATLAS passing near our sun, with the sun illuminating one side of the comet. On the day side of the comet we see methanol gas

View larger. | Both Voyager spacecraft are rushing away from Earth and into interstellar space. Yet for a portion of every year, both spacecrafts’ distances to Earth decrease. How is

This computer simulation shows the merger of 2 black holes. As the black holes spiral toward each other, collide and merge, they create gravitational waves. Scientists made this simulation using

The Very Large Array is a collection of 27 radio antennas located near Socorro, New Mexico. Each antenna in the array measures 82 feet (25 m) in diameter and weighs

Don’t miss this astounding 40-second video. It shows the DART spacecraft’s strike of the asteroid moon Dimorphos, in the year 2022, from the vantagepoint of a camera on the spacecraft.