What is Einstein’s Theory of Relativity?
More than a century after he first proposed it, Einstein's Theory of Relativity is still foundational to our understanding of…
The Scientific Debate Rages on: Is there Water Under Mars’ South Pole?
There's no surface water on Mars now, but there was a long time ago. If you ask most people interested…
We Already Have the Technology to Save Earth From a “Don’t Look Up” Comet or Asteroid
What if a 10 km (6.5 mile)-wide asteroid was on a bee-line towards Earth, with an impending, calamitous impact just…
NASA is Already Designing Hardware for a Mars Sample Return Mission
Testing is key to the success of any space mission, and the more complex the mission, the more testing is…
Unistellar’s Plans for Science and Astronomy in 2022
Unistellar’s eVscope has proven its ability to do serious astronomy, with more to come in 2022.
Finally, an Explanation for the Cold Spot in the Cosmic Microwave Background
A new study by the Dark Energy Survey (DES) has confirmed the existence of a Supervoid, which could explain how…
5,000 Exoplanets!
Before NASA's TESS (Transiting Exoplanet Survey Satellite) mission launched in 2018, astronomers tried to understand what it would find in…
Incredible Image Shows Twin Stellar Jets Blasting Out of a Star-Forming Region
Young stars go through a lot as they're being born. They sometimes emit jets of ionized gas called MHOs—Molecular Hydrogen…
Missing Mass? Not on our Watch—Dr. Paul Sutter Explains Dark Matter
In the first episode of a new series with ArsTechnica - Edge of Knowledge - Dr. Paul Sutter explains the…
Webb Has Arrived Successfully at L2
It’s really happening. The James Webb Space Telescope has successfully reached its orbital destination in space, 1.5 million km (1…