For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

CoRoT-2 b is a hot Jupiter 696 light-years away whose thermal hotspot is shifted in the wrong direction. New VLT data ...

On Earth, a cloudy morning giving way to a clear evening is unremarkable, the kind of forecast that barely warrants a glance at the weather app. On a gas giant orbiting a star nearly 700 light-years ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

The green colour of Earth's forests is not accidental. Plants contain chlorophyll, a pigment that absorbs red and blue wavelengths of sunlight while reflecting green light. This process allows plants ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the “habitable” or “goldilocks” zone – where it ...