GeoLog

Jacobus Kapteyn at 175: Still expanding our cosmic horizon

Sabrina Minnick January 23, 2026

IC410_Tadpoles. Photo by the author

January 19th marked the 175th birthday of Dutch astronomer Jacobus Kapteyn. His work and legacy had a profound yet subtle impact on the astronomical community and our understanding of the cosmos. His lasting contributions and methodologies continue to be refined and provide the foundation for ongoing astronomical research and discoveries. After he completed his studies, Kapteyn worked at Leiden Ob ...[Read More]

EGU Photo Competition 2026: Now open for submissions!

Hazel Gibson January 20, 2026

If you are registered for the EGU26 General Assembly (3 – 8 May), you can take part in our annual photo competition. Winners receive free registration to next year’s General Assembly! It’s that time of year again! Yes, today the sixteenth annual EGU photo competition opened for submissions!! Until 8 April, every participant registered for the General Assembly can submit up to three ori ...[Read More]

GeoTalk: meet Silke Asche, researcher of the origin of life on other planets!

Simon Clark January 16, 2026

Silke Asche

Hello Silke and welcome to GeoTalk! Before we dig into your topic of expertise, could you introduce yourself to our readers? Hello, Simon. My name is Silke Asche, and I am a chemist in astrobiology and part of the Agnostic Biosignature Collective led by Dr Heather Graham at NASA’s Goddard Space Flight enter. My Ph.D. focused on Origins of Life (OoL) research and the automation of such experiments. ...[Read More]

25 years of Wikipedia: The only thing more layered than the Grand Canyon!

Asmae Ourkiya January 15, 2026

Photo by Oberon Copeland. Source: Unsplash

The year was 2001. A time before smartphones, before social media took over, and back when scrolling usually involved a physical microfilm reader at the library. On January 15 of that year, something revolutionary erupted onto the scene: Wikipedia was launched. As we celebrate its 25th anniversary, it’s time we come clean. While we might tell our professors we spent all night elbow-deep in the pri ...[Read More]