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Could the Star of Bethlehem have been caused by a "great conjunction" of the bright planets Venus and Jupiter? On June 17, 2 B.C., the planets had come so close they would have almost appeared as one object, similar to the conjunction of Jupiter and Saturn in 2020. Ron Miller/Astronomy magazine

The Star of Bethlehem: Can science explain what it really was?

In addition to great discoveries, the JWST works with other telescopes to produce magnificent images, like this of the M74 "Phantom Galaxy." Credit: ESA/Webb, NASA & CSA, J. Lee and the PHANGS-JWST Team

Cosmology, Exoplanets, Exotic Objects, Galaxies, Milky Way, Robotic Spaceflight, Science, Solar System, Space Exploration, Stars

The 10 greatest JWST discoveries, so far

The contributions from NASA’s Chandra X-ray data provide the blue and white flickering lights from young stars and the green pine needles come from the optical data collected by the National Science Foundation’s WIYN Observatory.

Astrophotography, Exotic Objects, Observing

Merry Christmas from the cosmos

Three-quarters of a billion years ago, Venus underwent a catastrophic resurfacing, altering its topography forever, as imaged in this Magellan spacecraft composite. Credit: NASA/JPL

Science, Solar System

Why did Venus turn inside-out?

Full Moon above Christmas tree

The Sky This Week from December 22 to 29: A Christmastime Cold Moon

An artistic rendering of how the ESO's Extremely Large Telescope will look on Cerro Armazones upon completion. Credit: ESO

Cosmology, Science

Mirrors for the world’s largest optical telescope are on their way to Chile

Image specialist Andy Saunders analyzed archival stills taken by the astronauts and was able to measure the distance of Shepard’s second shot. Credit: NASA/JSC/ASU/Andy Saunders

Human Spaceflight, Science, Space Exploration

Ask Astro: How far could a pro golfer hit a ball on the Moon?

The first-ever image taken of a black hole. Credit: Event Horizon Telescope

Exotic Objects, Science

Why are some black holes bigger than others? An astronomer explains

An emotional moment at Starmus arrived when the Children’s Choir of Tavush sang in synched unison with Freddie Mercury, delivering a medley including “We Are the Champions.” Credit: David J. Eicher

Starmus VII set for May 2024 in Slovakia

An image of hundreds of galaxies of different sizes and shapes against a black background. A haze of teal gas-like light appears and connects some of the galaxies in the image. The teal glow is intracluster light and is focused mostly towards the middle of the image.

Cosmology, Galaxies, Science

Vera C. Rubin Observatory to detect glowing galactic relics

JWST NIRCam image of Cas A supernova remnant

The newest infrared image of Cas A offers a fresh view — and new details

An artist representation of two merging black holes

Exotic Objects, Science

The biggest black hole merger just got weirder