"Until now, it was unknown what type of star would remain after the merger." ...

Today’s observatories document every pulse and flash in the sky each night. To understand how the cosmos has changed over ...

Some of the universe’s biggest changes are already underway, even if no one alive today will see the outcome ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Whenever we enter Valentine’s season, astronomers are sometimes asked about possible Valentine’s Day stars.  To answer this ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

"It really shows how much we still have to learn about planets, even in our own solar system." The post There’s Something ...

"Stars like the sun don’t just stop shining for no reason." ...

On Jan. 10, Jupiter will shine at its brightest and largest in 2026, rising at sunset and glowing in the sky until sunrise The gas giant will reach a magnitude of -2.7, making it the fourth brightest ...

NASA’s Jupiter Trojan probe has identified the first known contact binary satellite, a rare object formed when two bodies merge into one. The discovery offers new insight into how small objects ...

This weekend, Jupiter reaches opposition — its closest and brightest point of the year. Rising at sunset in the east and shining all night long, it will dominate the sky with a steady white brilliance ...