Companion for Betelgeuse confirmed! Beloved red star has a blue-white buddy

View larger. | The ‘Alopeke instrument on the Gemini North telescope in Hawaii obtained this image…

Asteroid 2025 OS safely buzzed by Earth this weekend

Here’s an illustration showing the path of asteroid 2025 OS that safely passed Earth on July…

The Day the Earth Smiled at Saturn 12 years ago

Here’s the famous The Day the Earth Smiled photo, taken by the Cassini spacecraft on July…

A hidden molecular cloud near our Milky Way’s center

Artist’s concept of the hidden molecular cloud in our Milky Way. Scientists are calling this region…

Biggest black hole merger ever breaks the universe’s rules

Watch EarthSky’s Dave Adalian and the Bad Astronomer Phil Plait discuss the biggest black hole merger…

Did Webb find a black hole formed by a direct collapse?

This is the Webb telescope’s image of the Infinity galaxy, the result of 2 colliding spiral…

Witnessing a solar system’s dawn, for the 1st time

Astronomers have, for the first time, caught the moment when planets began to form around a…

Are dark dwarfs lurking in the heart of the Milky Way?

Artist’s concept of a dark dwarf, a dwarf star containing dark matter. A new study suggests…

Life on Venus? Exciting new VERVE mission could find it

View larger. | Is there life on Venus? This is an artist’s concept of molecules of…

Today in 2015: New Horizons at Pluto

View larger. | When New Horizons arrived at Pluto in 2015, it found this large heart-shaped…