April 2025

This week brings the Hubble Space Telescope’s 35th birthday – but instead of getting presents, the Hubble team is giving out presents in the form of four views of the cosmos, ranging from a glimpse of Mars to a glittering picture of a far-out galaxy.It’s the latest observance of a tradition that goes back decades, in which

Every now and then, robots on the surface of Mars, or the spacecraft orbiting the planet, send back some fascinating images of rock formations on the Red Planet. These can range from the interesting (such as the donut-shaped rock that may not be from the planet) to the silly (hello, avocado rock. What’s up, big pile of “bones” on Mars?).

For decades, a scattering of ruins in southeastern Europe was dismissed as little more than an unremarkable military outpost, but new excavations are rewriting that story. Archaeologists now believe the site may be the lost capital of an ancient kingdom with direct ties to none other than Alexander the Great, the ferocious conqueror whose campaigns

One of the most spectacular galaxies in Earth’s sky is the subject of a new image release to help celebrate 35 years of Hubble operations. The Sombrero Galaxy (Messier 104), located some 31 million light-years away in the direction of the constellation Virgo, is a strange galaxy, oriented in such a way that it appears even stranger