The rubber pencil illusion works because our brain can't keep up.
Frequently mistaken for discarded piles of beach trash, ropelike sea whips are a type of colorful coastal coral.
The infamous Dyatlov Pass incident, where 9 hikers died under mysterious circumstances, just got its first scientific explanation after 60 years of speculation.
An agate discovered in Brazil bears a remarkable resemblance to the Sesame Street muppet Cookie Monster.
The new Netflix series 'Surviving Death' marches through an array of paranormal phenomena, some unprovable, some debunked and some genuinely mysterious.
The home where Lizzie Borden's father and stepmother were murdered is now a bed and breakfast, and a museum. Its retiring owner just put it on the market.
The CIA just turned over 2,700 pages of UFO-related material to The Black Vault, a free repository of UFO records online.
From the longest bird flight to the oldest identical twins, 2020 was filled with record-breaking science.
From the incredible efforts of scientists to develop a COVID-19 vaccine in record time to clapping seals, this year had some amazing discoveries.
From a mirror universe to X-shaped galaxies, these stories guaranteed that 2020 would be a year to remember.
Astronomers hunting for radio signals from alien civilizations have reportedly detected an "intriguing signal" from the direction of Proxima Centauri, the nearest star system to the sun.
Two newly discovered fungi eat flies from the inside out while dropping new spores out of holes dissolved in the living flies' abdomens.
The owl found in the Rockefeller Christmas tree isn't going back to his original territory. Here's why.
A mother bear and her cub were shot and killed by Russian hunters after boarding a docked nuclear submarine in Kamchatka.