A US-based trio hunting "Planet Nine" has instead stumbled on what appears to be a new dwarf planet in the solar system's ...

JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

In April, the scientific world—and the public—was abuzz with the thrilling news that a distant planet called K2-18b might ...

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered ...

Naturally, the aurora on our solar system's largest planet is hundreds of times brighter and more energetic than our own Northern lights.

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A ...

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

Astronomers sing the James Webb Space Telescope have made an unequivocal detection of frozen water in another star system for ...

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our solar system.