extraterrestrial life

[ad_1] Editor’s Note: Editor’s Note: Peter Bergen is CNN’s national security analyst, a vice president at New America, and a…

[ad_1] After trundling around the Jezero crater for 550 Martian days, NASA’s Perseverance rover has amassed nearly half its planned…

[ad_1] As wildly diverse as life on Earth is—whether it’s a jaguar hunting down a deer in the Amazon, an…

[ad_1] Who pays for the United States’ astronomy and astrophysics projects—our collective staring into the void, seeking cosmic answers? Well,…

[ad_1] As the Perseverance rover drilled into a rock on Wednesday to collect a sample from Jezero Crater on Mars,…