Dimming of Betelgeuse Four Stages

Dimming of Betelgeuse Explained by Hubble Telescope

The dimming of Betelgeuse, a bright red star, excited stargazers last year. Find out how the Hubble Space Telescope helped explain what happened.(4:45 min read)

Pulsar and Neutron Star in Binary System

Pulsar and Neutron Star Offer Clues to Cosmic Enigmas

A pulsar and a neutron star with a huge size difference have been discovered in a binary star system. Find out why this could unlock the mysteries of the cosmos. (4:30 min reading time)

Quasar Discovery Artist's Conception

Quasar Discovery Challenges Black Hole Theories

A quasar discovery suggests that stars existed much earlier than scientists thought. Find out why this challenges our understanding of black hole formation. (5:00 min read)

Star Formation - Photograph of Galaxy Cluster NGC-6240

Star Formation Started Earlier than Thought

Star formation was the subject of an ESA study using the Hubble Telescope. Find out why what they didn’t find was more important than what they did. (4:00 min read)

Galaxy Formation: Artists' Conception of Wolfe Disk Galaxy

Galaxy Formation: New Wolfe Disk Upends Old Theories

Galaxy Formation in the early Universe was thought to be a chaotic series of collisions. Find out how a newly discovered disk galaxy calls that idea into question. (4:00 min read)

Faint Satellite Galaxies Network Diagram with Milky Way in Centre

Can Faint Satellite Galaxies Solve Dark Matter Mystery?

We may have 150 faint satellite galaxies orbiting the Milky Way. Find out how this could help explain the mystery of dark matter in the universe. (4:00 min read)

Massive Stars Forming in Tarantula Nebula

Massive Stars: Can They Form on Their Own?

Massive stars produce the heavier elements from which we're all made. Find out how the Hubble Telescope is shedding new light on where they came from. (4:30 min read time)

Newborn Stars - 24 Examples with Disks

Newborn Stars Bringing Forth Solar Systems

Newborn stars are shrouded in dust clouds, making them a mystery to science. Find out how a radio telescope survey has shed light on how solar systems form. (4:00 min read)

Three Black Holes in NGC 6240

Three Black Holes Colliding in Galaxy’s Core

Three black holes were discovered in the core of the nearby galaxy NGC 6240 by scientists at the University of Gottingen. Find out how they did it, and what it means for our understanding of the story of our universe. (3:30 min read)