A new study offers an explanation for the “RGB luminosity hump” — an anomalous drop in the luminosity of red giants.

Today, the multiverse theory — the idea that multiple parallel worlds exist — has gained considerable popularity, largely due ...

How Do Spacecraft Explore Mars, Titan, Venus, and the Moon? The Story of Ingenuity, the Upcoming Dragonfly and SkyFall ...

The oldest known close pair of quasars existed less than a billion years after the Big Bang, and the masses of its black ...

A photograph of the Great Comet of 1882 marked a turning point in the history of astronomy, signaling the transition to mapping the universe.

The 2026 Booker Prize went to a novel about a mysterious disaster, and its author made history with the award for two reasons.

Scientists studied lava from Hawaiian volcanoes that have erupted over the past few centuries. It contains a significant amount of carbon, and its isotopic composition revealed its origin.

The future LISA observatory will search for planets orbiting white dwarf pairs—which have not yet been detected by any method—by tracking their signatures in gravitational waves.

Using the Vera C. Rubin Observatory, researchers discovered a unique trans-Neptunian object, R631, which orbits at a retrograde angle of 142°.

UNESCO's World Science Day reminds us that citizen science is accessible to everyone. Volunteers are already contributing to ...

A millisecond pulsar in the globular cluster NGC 362 has an unusual companion that is fainter in ultraviolet light than ...

Thanks to a new method for searching for exoplanets in old images, the James Webb Space Telescope spotted a gas giant that ...