
Astronomers Capture Clearest Image Yet of Betelgeuse's Hidden Companion Star
After a century-long search, scientists reveal Betelgeuse is likely a binary star system, with a massive companion that may explain its mysterious dimming.

After a century-long search, scientists reveal Betelgeuse is likely a binary star system, with a massive companion that may explain its mysterious dimming.

New JWST findings deepen the mystery of how giant galaxies formed in the universe's infancy — and hint at a more crowded planetary history.

NASA's Astronomy Picture of the Day spotlights the 2026 Perseid peak, while August skywatchers also anticipate a solar eclipse and a deep partial lunar eclipse.

From Spain's stunning solar eclipse to the mysteries of interstellar object 3I/ATLAS, we round up the latest space and science headlines.

NASA's Webb Telescope captures intricate details of planetary nebula NGC 2392, revealing the dying star's influence in infrared.

From interacting galaxy pairs to solar contemplation, the Astronomy Picture of the Day delivers a week of cosmic wonders.

A rare celestial spectacle crosses Greenland, Iceland, Portugal and Spain — with partial views across Europe and scientific missions chasing the corona.

NASA's Astronomy Picture of the Day captures a rare close alignment between a periodic comet and a distant star cluster, offering a glimpse into the solar system's dynamics.

Unprecedented images from Hawaii's Daniel K. Inouye Solar Telescope capture swirling plasma vortices that could explain the Sun's mysterious corona.

The July full moon marks a season of celestial events, from the Belt of Venus to Perseid meteors, and sets the stage for August's total solar eclipse.