An exoplanet has been discovered orbiting Barnard's star by the European Southern Observatory’s Very Large Telescope. Barnard's stars is the closest single star to Earth. Credit: ESO ...

Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...

When St. Louis native Nikki Alexander was a student at Harvard Law School, she made a discovery that fueled her passion project. “I had never heard of space law before,” Alexander said. She was ...

The James Webb Space Telescope has uncovered dazzling newborn stars and thick cosmic dust in Sagittarius B2, the Milky Way's most enormous star-forming cloud.

Astronomers and astrochemists reviewed years’ of research to try and resolve a simple question – is cosmic dust porous?