EarthSky2- Page

View larger/full image. | This is the first light image from the Star-Planet Activity Research CubeSat (SPARCS). It shows the star HD 71262 and other stars in near-ultraviolet light. NASA’s

Saturn now officially has 285 moons! This animation, from Tony Dunn at Orbitsimulator.com, shows some of the previously known moons in white and newly discovered moons in red, as they

View larger. | An artist’s concept of the star L 98-59 and its 3 exoplanets. At front is a cutaway view of the molten super-Earth exoplanet L 98-59 d. A

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