Posts claiming a celestial "smiley face” will light up the night sky over Christmas aren't true. But the Christmas Tree ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Astronomers were busy in 2025, starting the year off by tracking an asteroid that put Earth on alert, followed by discoveries ...

The Roman Space Telescope is one of NASA's next great observatories, designed to explore some of the biggest questions in modern astronomy. From probing the mysterious nature of dark energy to ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Using Georgia State’s CHARA Array, an international team of scientists has uncovered unexpected complexity in how stars explode. Astronomers have obtained images of two stellar explosions, called ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Laura holds a Master's in Experimental Neuroscience and a Bachelor's in Biology ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.