What can exozodiacal dust, also called exozodi, teach astronomers about identifying Earth-like exoplanets? This is what a ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

For centuries, sailors have reported the eerie glow of "milky seas" — vast areas of ocean that shine at night like a soft ...

The universe is full of phenomena that have seemed unexplainable to human beings, but only until science had an answer for it ...

Here's where the James Webb Space Telescope comes in. Its advanced technology, including its large mirror and suite of specialized instruments, allows it to detect very faint emissions coming from ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

The European Space Agency (ESA) has powered down its Gaia spacecraft after more than a decade spent gathering data that are ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

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