A team of astronomers led by the Center for Astrophysics | Harvard and Smithsonian have for the first time used galactic ...

By reading the chemical “fingerprints” of a distant galaxy, astronomers reconstructed its 12-billion-year evolution. This new ...

Learn how galactic archaeology uses chemical clues to uncover how galaxies formed and evolved over billions of years.

For the first time, scientists have reconstructed the full history of a galaxy outside the Milky Way using chemical clues. By ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds clues about when it formed and what the galaxy was like at the time. Over ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...

The James Webb Space Telescope has delivered a new kind of galactic portrait, revealing a luminous thread of gas and newborn stars stretching between two small, colliding galaxies. The image turns a ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...