New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Beyond the local interstellar clouds and their wispy clumps of hydrogen and helium atoms in the form of gas and dust, the ...

Researchers at the University of Hawaiʻi Institute for Astronomy (IfA) are helping reshape how scientists study the sun. The ...

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

During her time in the Peace Corps, former Sun Journal staffer Vanessa Paolella reminded us of the value of showing up.

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...

A massive new sunspot complex, dubbed AR 4294-4296, has emerged on the sun and is facing directly at Earth. The dark patch is ...

Astronomers have mapped the turbulent edge of the Sun where solar matter manages to escape the Sun's fierce magnetic grip.

What if instead of shining brightly for another 5 billion years, the only star in our Solar System turned into a dark and ...

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...