tinelmis I. What is Neutron Capture? Neutron capture is a nuclear reaction in which an atomic nucleus captures one or more neutrons. This process can result in the formation of a heavier isotope of the original element or even a completely different element altogether. Neutron capture plays a crucial role in various astrophysical processes, such as … Read more
A clear look at the strongest evidence, from exoplanets to potential biosignatures, and what still falls short of proof.
A clear look at the scientific, legal, and technical reasons UFO reports rarely become definitive proof.
Satellites can mimic UFOs because of reflection, motion, and viewing conditions. Here’s how to tell them apart from truly unknown objects.
Explore what an alien civilization could be, how scientists define it, and the evidence that could reveal one beyond Earth.
I. What are cosmic rays? Cosmic rays are high-energy particles that originate from outer space and travel through the universe at nearly the speed of light. They consist of protons, electrons, and atomic nuclei, and are thought to be produced by supernovae explosions, black holes, and other high-energy events in the universe. Cosmic rays can … Read more
Explore what aliens might look like using biology, evolution, and astrobiology to compare plausible life forms across different worlds.
A clear, classroom-friendly guide to explaining Earth’s shape with evidence from observation, gravity, and everyday examples.
Explore the real reasons people report UFOs, from perception and memory to atmosphere, technology, and culture.
Learn how to verify whether a space photo is real by checking metadata, sources, image artifacts, and common signs of manipulation.