View larger. | Moon-orbiting spacecraft from various nations confirmed the presence of water ice at the…
Category: Earth Sky
Comet A3 has an anti-tail! Can you see it?
Yarelis Medina caught the anti-tail of Comet A3 on October 13, 2024, from Utuado, Puerto Rico.…
Jupiter’s Great Red Spot wiggles like gelatin
Jupiter’s Great Red Spot wiggles like gelatin. That’s according to scientists using observations from the Hubble…
Proxima Centauri discovered 109 years ago
Our sun’s closest neighbors among the stars, including Proxima Centauri. Image via NASA PhotoJournal. Discovery of…
Black hole destroys a star, goes after another
Watch an artist’s concept of a black hole shredding a star and the resulting debris hitting…
How likely is a doomsday asteroid swarm from Comet Encke?
Here’s Comet Encke – whose orbit lasts only 3.3 years – riding along its pebbly trail…
Europa Clipper will explore Jupiter’s ocean moon
Watch a video about Europa Clipper. Our fall fund-raiser is going on now. Please help EarthSky…
A clue to possible life?
View larger. | Artist’s illustration of Cassini flying through the water vapor plumes of Enceladus. A…
Is this white dwarf exoplanet a preview of Earth’s fate?
This video depicts a possible fate for Earth when the sun expands into a red giant…