Astronomers discover new class of cosmic X-ray sources
A team of astronomers has discovered a new class of cosmic X-ray sources, called "millinovae," in nearby galaxies.
This breakthrough was led by researchers from...
Jupiter’s moon Io doesn’t have a shallow ocean of magma
Jupiter’s moon Io is the most volcanically active body in the Solar System, with roughly 400 active volcanoes regularly ejecting magma into space.
This activity...
Dead stars reveal secrets of extreme gravity and dark matter
Scientists have confirmed a long-predicted but elusive effect in dying stars called white dwarfs: hotter white dwarfs are slightly puffier than cooler ones, even...
The mysterious case of the resurrected star
The star HD 65907 is not what it appears to be. It’s a star that looks young, but on closer inspection is actually much,...
Zwicky classifies more than 10,000 exploding stars
Even if you knew nothing about astronomy, you’d understand that exploding stars are forceful and consequential events.
How could they not be? Supernovae play a...
One of the most interesting exoplanets just got even more interesting!
Since the discovery of the first exoplanet in 1992, thousands more have been discovered. 40 light years away, one such system of exoplanets was...
How we could find advanced civilizations that ran out of fusion fuel
When it comes to our modern society and the many crises we face, there is little doubt that fusion power is the way of...
We might finally know how galaxies grow so large
Astronomers have spent decades trying to understand how galaxies grow so large. One piece of the puzzle is spheroids, also known as galactic bulges.
Spiral...
The Sun may be more prone to flares than we thought
This past year saw some significant solar activity.
This was especially true during the month of May, which saw more than 350 solar storms, solar...
How to build concrete on Mars from local materials
Imagine you’ve just gotten to Mars as part of the first contingent of settlers.
Your first challenge: build a long-term habitat using local materials. Those...