Astronomy

A strange discovery could provide a window into the universe’s earliest galaxies

JWST has discovered giant mature galaxies that seem to have filled the universe shortly after the big bang, and astronomers are puzzled

The new ngRADAR at the Green Bank Telescope offers unprecedented Earth-based views of the solar system

The Chelyabinsk asteroid slammed into Earth’s atmosphere 10 years ago, the largest impact in more than a century

Astronomers are puzzled by a ring around the icy dwarf planet Quaoar that is much farther from its parent body than thought possible

New dedicated observatories and crowdsourced smartphone apps will study strange sightings in the sky. But questionable data quality and a lack of shared research standards remain key challenges

A new model could explain the scarcity of certain planet sizes

Citizen scientists and researchers found that we are losing our view of the sky at an astonishing rate of almost 10 percent each year

Scientists find that magnetic fields and turbulence amplify each other inside stars’ hidden layers, slowing down the stellar cores’ spin

The James Webb Space Telescope is opening an exciting new chapter in the study of exoplanets and the search for life beyond Earth

Clues to the origin of this enormous cloud of gas have been maddeningly vague

Turning astronomical data into sound rather than images can inspire blind and visually impaired people—and maybe lead to some discoveries, too