Sea scorpion: Pentecopterus decorahensis likely grew to be 5 feet 7 inches long and is believed to be the first large predator.
Scientists using the Hubble Space Telescope have found that the nearest galaxy to Earth that hosts a quasar is powered by twin black holes orbiting each other.
Scientists are working to quantify the risk of exceptionally devastating hurricanes. While such events are extremely rare, researchers encourage city planners and officials to prepare for storm surges far beyond what they have previously seen.
Despite the titum arum's rancid fragrance reminiscent of rotting flesh, people gather by the thousands to catch a glimpse of the bizarre flower in bloom.
An iridescent 'butterfly nebula' making headlines is just one galactic spectacle the Hubble Space Telescope has brought closer to Earth.
NASA scientist Stuart Robbins used real photos of New Horizon's cruise past Pluto to create a stunning animation of the historic journey.
As former tropical storm Erika makes its last push in South Florida, experts and officials look at improvements in disaster prediction and response over the last decade.
This weekend the moon will reach its full phase while also nearing its closest point to Earth in its orbit, creating views of a 'supermoon.'
A team of six NASA scientists begin a 365-day isolation experiment simulating life on Mars. How soon will a crewed mission be a reality?
Chicago's Brookfield Zoo has released the first images of two rare snow leopard cubs, born in June.