Tracking Mars' Ice Ages From Space
Human beings are pretty familiar with the concept of "ice ages." Not only is their ample physical evidence to suggest that glacial periods occurred du...
Space Science Articles
Explore the cosmos through in-depth articles about astronomy, astrophysics, and space exploration
DESI's Dizzying Results
In March of 2024 the DESI collaboration dropped a bombshell on the cosmological community: slim but significant evidence that dark energy might be get...
We've Long Thought The Surface Area Of A Black Hole Can't Decrease. Now We Have Data To Back It Up.
Hawking radiation has never been proved, but it's generally thought to be real. Essentially, the argument is that when you combine black hole event ho...
The JWST Makes Some Headway Understanding Little Red Dots
One of the things the James Webb Space Telescope revealed to us is a class of small, distant galaxies in the very early Universe. Their light has been...
Asteroid 2024 YR4 Was Earth's First Real-Life Defense Test
At this point in history, astronomers and engineers who grew up watching Deep Impact and Armageddon, two movies about the destructive power of asteroi...
How Dark Energy Changed Cosmology Forever
Let’s rewind the clock back…oh, I don’t know, let’s say a hundred years. It was 1917, and Einstein had just developed his general theory of relativity...
How Three Runaway Stars Solved A Galactic Mystery
All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly challenging. For example, there ...
The Andromeda Galaxy Quenches Its Satellite Galaxies Long Before They Fall In
Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and Small Magellanic Clouds. T...
What's Driving Dark Energy?
To be fair, all scientific models are in some sense wrong. They’re all approximations of reality. They’re all mathematical models that we use to descr...
Hunting For "Wnadering" Black Holes In Dwarf Galaxies
Tracking down black holes at the center of dwarf galaxies has proven difficult. In part that is because they have a tendency to “wander” and are not l...
Searching For Exoplanets In The Remnants Of A Dwarf Galaxy
Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far. Scientists are even beginning to ...
Capturing A Supernova Explosion Only Hours After It Began
The details of a supernova explosion are still clouded in mystery and subject to vigorous debate. What exactly happens when they explode? What underly...