We might not have to go scorched Earth after all. Contrary to popular belief, the Earth might actually weather the fiery death of the sun that’s expected to engulf our neighbors, per a relieving study ...

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing ...

Need some good news on a Friday after a long week?Don't worry: this is not expected to happen for another five billion years, ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

On August 21, 2025, the Sun emitted what appeared to be a routine burst of radio-wave energy—the kind astronomers observe regularly and expect to fade within hours or days. But this signal refused to ...

A dying massive star can regain spin deep inside itself instead of simply slowing down, according to new research. The reversal challenges the usual story of stellar death and could change how ...

Across Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the scientists who study these meteors. Most movies and news alerts focus on ...

DENVER — Tiny, exploding black holes might explain one of the biggest mysteries about how the universe, in its current form, came to be. In the cosmos, matter is much more common than antimatter. But ...

The fighting continues in the Middle East, and oil’s back on the move, as the clock ticks on President Donald Trump’s five-day deadline for resolving differences with Iran. That’s the backdrop for ...

The inner solar system may have formed differently from how we have long thought it must have. For decades, researchers have thought that the rocky planets formed from a single disc of dust and debris ...

Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar “twins.” And we may owe ...