To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from ...

A rocky planet exposed to extreme heat from its star appears to reflect nearly three-quarters of the starlight that reaches ...

It’s a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more ...

A new model simulates a rocky planet without life, giving astronomers a baseline to judge whether gases in an exoplanet's ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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, ...

Analyzing the speculative artwork of Michael Beaudry, this tour investigates the ancient planet Veteris, where traditional ...

On planet Earth, our 'secondary atmosphere' has been with us for billions of years and its chemical balance reflects the ...