Astronomy

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

A galaxy appears to be missing the invisible substance thought to hold such objects together, further challenging long-held assumptions about how galaxies form

This sparkling galaxy is home to a set of supernova remnants that showed variable brightnesses over 14 years of data

Meteor camera networks can reveal the hidden history of the solar system, and you can assist from your own backyard

The Tianwen-2 spacecraft is slowly closing in on the near-Earth asteroid Kamo‘oalewa, on a mission that would bring China’s first asteroid samples back to Earth in 2027

Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the solar system’s early history

A breeze is emanating from Sagittarius A* at the heart of our galaxy

Deep surveys of the sky have turned up galaxies vastly larger than our own. Are there even bigger ones yet to be seen?