The Oldest Known Spiral Galaxy Has Ripples Like the Surface of a Pond
Astronomers have detected pond-like ripples across the gaseous disk of an ancient galaxy. What caused the ripples, and what do…
The Most Massive Neutron Stars Probably Have Cores of Quark Matter
When a star with several times the mass of the Sun dies in a supernova explosion, it ends up as…
Watch a Full Martian Day, From Dawn to Dusk
On November 8th, NASA's Curiosity Rover paused its incessant science work and just watched the day unfold on Mars. The…
After all of This Time Searching for Aliens, is it The Zoo Hypothesis or Nothing?
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the…
An Ancient Stone Found in Italy is an Accurate Map of the Night Sky
You know how some constellations take a little bit of imagination to see? Yes, Leo looks a bit like a…
The Sun Just Blasted its Strongest Flare in 6 Years. Get Ready for Auroras
While many of us were celebrating the end of 2023 and the coming of 2024, the Sun was having its…
Simulation Perfectly Matches What We See When Neutron Stars Collide
There are many mysteries in the world of astronomy and a fair number relate to the processes during the end…
You’ll Need all the Internet to Download the Full Resolution of this New Running Chicken Nebula Image
Over 6,000 light-years from Earth, an open star cluster and its nebula cover a swathe of sky over 270 light-years…
ESA’s Tiny Pinhole Thruster is Ready for Production.
Rocket propulsion technology has progressed leaps and bounds since the first weaponised rockets of the Chinese and Mongolian empires. They…
How a Small Town in Japan Fiercely Defends its Dark Skies
Light pollution ruins dark skies. It's a scourge that ground-based observatories have to deal with in one form or another.…