Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.

Recent Articles

ESA’s ExoMars and Mars Express observe comet 3I/ATLAS

October 07, 2025

Between 1 and 7 <sup>October</sup>, ESA’s ExoMars Trace Gas Orbiter (TGO) and Mars Express spacecraft turned their eyes towards interstellar comet 3I/ATLAS, as it passed close to Mars.
Welcome to the New, Ad-Free Universe Today, Brought to You By 3,000 Space Fans

March 12, 2025

If you're a regular visitor to Universe Today, you've probably noticed that the website looks dramatically different. Simpler, cleaner, without all those pesky intrusive ads. We're in a new era, now. Here's what happened, why I decided to remove the ads from the site, and what you can expect going forward.
I Asked an AI to Dream the Solar System as Food

August 05, 2022
My Dad Made a Table That Looks Surprisingly Like Jupiter

November 30, 2020
Matter makes up exactly 31.5±1.3% of the Universe

October 09, 2020
Betelgeuse Is Still Dimming! And We Have the Pictures to Prove It

February 16, 2020
Building Space Telescopes... In Space

November 26, 2019
What Will It Take To Feed A Million People On Mars?

October 01, 2019
Better Than Earth? Are There Superhabitable Worlds In The Milky Way?

September 23, 2019
Want To Explore Mars? Send Humans To The Moons Of Mars First: Phobos And Deimos

September 18, 2019
Bringing Mars To Earth. The Plans For a Mars Sample Return Mission

August 28, 2019
A Spacecraft Is Going To Assemble Its Own Solar Panels In Space: Archinaut One

August 23, 2019
Exploring The Icy Moons of Jupiter. NASA's Europa Clipper and ESA's JUICE

August 20, 2019
Why Build Big Rockets at All? It's Time for Orbital Refueling

August 16, 2019
Spacecraft Gyroscopes And Reaction Wheels. You Can Never Have Enough

August 13, 2019
One Year, Almost 1,000 Planetary Candidates. An Update On TESS

August 09, 2019
What Are Light Echoes? Using Reflections Of Light To See Even Further Back In Time

August 06, 2019
How Habitable is Titan? NASA is Sending the Titan Dragonfly Helicopter to Find Out

August 02, 2019
Why Is The Moon's South Pole So Important? It's All About Water

July 30, 2019
Planetary Society Deploys LightSail 2's Solar Sail. What Does The Future Hold For Solar Sails?

July 26, 2019