The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for...
A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers. Using...
Astronomers from the University of Hawaiʻi Institute for Astronomy (IfA) have uncovered the closest recorded occurrence of a star being...
Scientists have revealed why some white dwarfs mysteriously stop cooling—changing ideas on just how old stars really are and what...
Using some of the largest telescopes in the world, including the Subaru Telescope, a team of astronomers discovered three new...
Betelgeuse is a well-known red supergiant star in the constellation Orion. Recently it has gained a lot of attention, not...
When it launches in October, the agency’s Europa Clipper spacecraft will carry a richly layered dispatch that includes more than...
The National Institute of Standards and Technology (NIST) and its collaborators have delivered a small but mighty advancement in timing...
When it was first discovered in 2004, Apophis was identified as one of the most dangerous asteroids in that there...
In a series of studies, a team of astronomers has shed new light on the fascinating and complex process of...
The James Webb Space Telescope (JWST) is helping scientists uncover how planets form by advancing understanding of their birthplaces and...
When a star like our sun reaches the end of its life, it can ingest the surrounding planets and asteroids...