2025 was an exciting year for astronomical discoveries. Scientists got the best evidence yet for past life on Mars, discovered an interstellar comet zooming through our solar system, found clues of ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...

Daniel Apai is a professor of astronomy, planetary sciences and optical science at the University of Arizona. He receives funding from NASA. Exoplanets are worlds that orbit other stars. They are very ...

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

One of the main questions in exoplanet science concerns M dwarfs (red dwarfs) and the habitability of exoplanets that orbit them. These stars are known for their prolific and energetic flaring, and ...

Measurements of the masses of exoplanets orbiting a young star have identified a system of low-density ‘super-puff’ planets. Read the paper: A young progenitor for the most common planetary systems in ...