The sun is frequently ejecting huge masses of plasma, called coronal mass ejections (CMEs), into space. They often occur ...

NASA’s Hubble and Chandra telescopes reveal Betelgeuse’s hidden companion, “Betelbuddy,” reshaping what we know about binary ...

Betelgeuse confirmed to have a small companion star Discovery made using Hubble and Chandra telescopes Companion likely a ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 ...

Astronomers have made a groundbreaking discovery that could revolutionize our understanding of the giant red supergiant ...

A UCLA-led team has achieved the sharpest-ever view of a distant star’s disk using a groundbreaking photonic lantern device ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...