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Thursday, Feb. 26: A celestial rectangle (after dark)
This evening, Gemini hosts a slow-motion rendezvous. After dark, look…

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This evening, Gemini hosts a slow-motion rendezvous. After dark, look…

Humans were moving between Siberia and northern China far earlier than thought, according to…

During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer, autumn and winter all stopped. Or at least that was the theory.
Recent…

In a small office in Košice, Slovakia, a group of malware analysts leaned closer to glowing screens. At first look, the code before them looked like another Android Trojan: familiar routine, familiar ambitions.
But…

About 250 million years ago, a region that is now a harsh desert in remote northwestern Australia lay along the edge of a shallow bay connected to a vast prehistoric ocean. Fossils collected there more than six decades ago and largely overlooked…

For many people living with depression, standard antidepressant medications do not bring enough relief. In those cases, transcranial magnetic stimulation (TMS) has become an important alternative. This noninvasive therapy uses magnetic pulses to…

UAS-specialist General Atomics is expanding the strike role of its MQ-9 Reaper drone family by integrating long-range cruise missiles.
The MQ-9 Reaper, also known as the Predator B, is a medium-altitude, long-endurance drone capable of both…

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February 25, 2026
2 min read
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Baby butterflies keep the beat to fool ants into taking care of them
These caterpillars rely on ants to tend them, and they use a surprisingly complex sense of rhythm to make it happen

To be healthy, conventional wisdom tells us to exercise and limit fatty foods. Exercise helps us lose weight and build muscle. It makes our hearts stronger and boosts how we take in and use oxygen for energy—one of the strongest predictors of…