Could We Ever Harness Quantum Vacuum Energy?
The fabric of spacetime is roiling with vibrating quantum fields, known as the vacuum energy. It's right there, everywhere we…
Comet Tsuchinshan-ATLAS Set to Perform This Fall
Comet Tsuchinshan-ATLAS may be one to watch for at dawn late next month.
The Wow! Signal Deciphered. It Was Hydrogen All Along.
In 1977, astronomers received a powerful, peculiar radio signal from the direction of the constellation Sagittarius. Its frequency was the…
Citizen Scientists Find a Star Escaping the Milky Way
Citizen science is such a great concept. Using the combined computing power of a gazillion (exaggeration) desktop and laptops to…
The Secrets Hiding in the Vacuum
Empty space is nothing but. According to the weird rules of quantum mechanics, it’s actually filled with an endless amount…
A Europan Lander Could Return an Ice Core For A Fraction of the Cost of Europa Clipper
Cost is a major driving factor in the development of space exploration missions. Any new technology or trick that could…
Earth-like exoplanets might be in short supply for the Habitable Worlds Observatory
How common are Earth-like exoplanets—also called exo-Earths—and which exoplanetary systems should we target to find them? This is what a…
Ancient Rocks in Mars’ Jezero Crater Confirm Habitability
According to NASA's Perseverance rover, ancient rocks in Jezero Crater formed in the presence of water. These sedimentary rocks are…
We Know When a Black Hole Will Have its Next Feast
Black holes are notoriously destructive to stars near them. Astronomers often see flashes representing the death throes of stars collapsing…
Galaxies in Dense Environments Get Larger
Galaxies are some of the largest clearly defined structures in space. There are trillions of them, and many are clustered…