Astronomy

The moon is Earth’s constant companion. But will that always be the case?

The Vera C. Rubin Observatory in Chile has started a 10-year survey of the changing night sky

Astronomers have for the first time observed an atmosphere around a giant planet orbiting a white dwarf

This brilliant new image, taken by Europe’s Euclid space telescope, offers a preview of the kind of imaging that will be possible with NASA’s upcoming Roman telescope

Inside the quest to rescue NASA’s aging Swift observatory

A field guide to the space rocks you might see streaking across the night sky

Sometimes we mistake one kind of object with another to disastrous effect

Astronomers may have found the remains of two long-dead stellar siblings

The James Webb Space Telescope has found nearby brown dwarfs masquerading as far-distant galaxies. The discovery reinforces how, in astronomy, what you see isn’t always what you get

Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close

Even if you aren’t going to be within the path of totality, you can still watch the solar eclipse as it happens with Scientific American

Construction of the Deep Synoptic Array is about to start in rural Nevada. It will reveal untold galaxies in stunning detail and help explain how they form and grow