Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The James Webb Space Telescope has delivered its clearest signal yet that a rocky planet outside our solar system is wrapped ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

The comet—only the third known interstellar visitor to our solar system—will make its closest approach of the Earth this week ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Webb spots a bizarre exoplanet with a carbon-rich atmosphere orbiting a pulsar, defying theories of how planets form.

But in this case, the companion is officially considered an exoplanet, not a star. The International Astronomical Union ...

Discovered in archival data, the newly identified exoplanet formed after the dinosaurs went extinct. In a finding that echoes ...

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system ...

The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their ...