Climate Change

Climate Change

star vs planet vs brown dwarf
Red dwarfs are the Universe's most common star type. Their flaring now makes potentially Earth-like worlds uninhabitable, but just you wait.
A black background with white text and red lines.
15 min
"We're living in an extraordinary moment in history. We are at a moment here in 2025 where we have world historic game-changing technologies now starting to scale."
Large white letters spelling "AGI" are displayed on a platform in front of steps, with additional bilingual signs reading "REASONERS" and "CHATBOTS" in English and Chinese.
A firsthand look at China’s material progress and clean-tech revolution -- and what could happen if we let an authoritarian state steer AI's future.
From here on Earth, looking farther away in space means looking farther back in time. So what are distant Earth-watchers seeing right now?
An astronaut stands proudly on the moon's surface near scientific equipment and a lunar lander, as the American flag waves in the background, symbolizing a pioneering USA nation.
As October begins, thousands of longtime NASA employees are leaving the agency. 4000+ will exit by January 9, 2026, changing NASA forever.
A smiling man with short dark hair wears a button-up shirt, standing in front of a purple, splattered-texture background.
Big Think spoke with astronomer David Kipping about technosignatures, "extragalactic SETI," and being a popular science communicator in the YouTube age.
A drawing of a group of people soaring in a plane, embodying cosmism.
In revolutionary Russia, a group of forward-thinking philosophers offered an alternative to both futurism and communism.
Book cover of "The Story of CO2 Is the Story of Everything" by Peter Brannen, featuring themes like fire and human evolution, alongside the text “an excerpt from” on a light blue background.
In this excerpt from "The Story of CO2," Peter Brennan explains how changes in the Earth's ecosystem led to fire, which in turn led our ancestors to become the "fire apes."
A man in a suit sits in front of a large NASA logo sign, symbolizing the determination to defy charter limits and push the boundaries of space exploration.
NASA's 1958 charter's top priority was, "the expansion of human knowledge of phenomena in the atmosphere and space." Is this how it ends?
Three white smokestacks emit thick, swirling clouds of orange and white smoke against a black background, hinting at the dramatic effect of going nuclear.
Nuclear chemist Tim Gregory joins Big Think to make the case that nuclear energy can still transform the world for the better.
A man looking at a meteorite.
20 min
“So many things could have happened in a different way that we wouldn't be here at all, both individually, for sure, and certainly as a species.”
Map showing Copenhagen, Denmark’s projected 2080 climate as similar to Demigny, France today, with a red arrow connecting the two cities and climate details listed in pop-up boxes.
“Climate analog mapping” finds the place that is currently as warm as your city might be in 60 years.