Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

A rare ‘Neptune-sized' planet has been discovered orbiting scorchingly close to its host star - only the fourth planet of its ...

The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow ...

By Grace Jacobs Corban The Discovery A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star ...

We are the Universe trying to understand itself. How, and why, did we come to be? Why does the Universe take the shape it ...

While NASA’s NEOWISE telescope ended its journey through space on Nov. 1, 2024, the team at IPAC, a science center at Caltech ...

The James Webb Space Telescope recently captured a new image of a galaxy famously named after the Mexican hat style.

"Earth can regularly capture asteroids from the Near-Earth object (NEO) population and pull them into orbit, making them mini-moons," the team explained a paper in September. "Sometimes, these ...

"In 'Star Trek: Section 31,' Oscar winner Michelle Yeoh reprises her fan-favorite role as Emperor Philippa Georgiou – a ...

The Webb Telescope has the ability to look at the beginning of the universe, which was 13.7 billion years ago.