
Toxic volcanic lake reveals how life may have been possible on ancient Mars
CNN
Near the summit of Costa Rica's Poás volcano is one of the most acidic lakes in the world. Life persists in this toxic environment and researchers believe it's the perfect analog for understanding how life may have once existed on Mars.
The harsh conditions of Laguna Caliente, where temperatures can fluctuate between 100 degrees Fahrenheit (38 degrees Celsius) and 194 degrees Fahrenheit (90 degrees Celsius), are where a few lucky scientists go to learn more about Mars.

Defense Secretary Pete Hegseth risked compromising sensitive military information that could have endangered US troops through his use of Signal to discuss attack plans, a Pentagon watchdog said in an unclassified report released Thursday. It also details how Hegseth declined to cooperate with the probe.

Two top House lawmakers emerged divided along party lines after a private briefing with the military official who oversaw September’s attack on an alleged drug vessel that included a so-called double-tap strike that killed surviving crew members, with a top Democrat calling video of the incident that was shared as part of the briefing “one of the most troubling things” he has seen as a lawmaker.

Authorities in Colombia are dealing with increasingly sophisticated criminals, who use advanced tech to produce and conceal the drugs they hope to export around the world. But police and the military are fighting back, using AI to flag suspicious passengers, cargo and mail - alongside more conventional air and sea patrols. CNN’s Isa Soares gets an inside look at Bogotá’s war on drugs.

As lawmakers demand answers over reports that the US military carried out a follow-up strike that killed survivors during an attacked on an alleged drug boat in the Caribbean, a career Navy SEAL who has spent most of his 30 years of military experience in special operations will be responsible for providing them.









