red giant

For years, astronomers have been speculating that Betelgeuse was about to explode in a supernova. But such an event could still be a long way off.

Betelgeuse Betelgeuse Betelgeuse

Oops! Objects in telescope may be closer than they appear.

Astronomers: This Star Isn't As Giant As We Thought, Just Closer

An international team of researchers has found that the red supergiant star Antares is even more gigantic than we thought.

Really Really Really Really Really Big

We thought it was 700 times larger than the Sun. But it's way bigger.

This Star Is So Huge that Saturn's Orbit Would Fit Inside It

Astronomers have built a new model that could answer lingering questions about Betelgeuse — by positing that it was once two stars.

Star Snacks

The famous red giant may have once been two stars.

Giant Star Betelgeuse May Have Eaten a Smaller Companion

Astronomers found an exoplanet that should've been swallowed by its Sun during the red giant evolutionary stage — but they could still pinpoint its location.

Red Giant Mystery

This sun-scorched exoplanet shouldn't exist.

Did This Planet Survive Getting Swallowed By Its Sun?

When our Sun becomes a red giant, it's the end of Earth. But not of life.

Earth Will One Day Die, But We Could Survive By Moving Here

Life outside Earth may happen in our solar system—a few billion years from now.

Dying Stars Could Transform Frozen Planets Into Habitable Worlds

Red giants—the penultimate phase of stellar senescence—may harbor habitable zones that could be stable for billions of years, and create conditions suitable for life in the outer reaches of their planetary systems.  

Life Where It’s Least Expected—New Study States Red Giants Can Unlock Life on Frozen Worlds

The immense gravity of the stellar remnant is ripping its planetary companion to shreds.

A Real “Death Star”—White Dwarf Caught Destroying a Tiny Planet

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