Once, long ago in Earth's distant past, the planet's oceans may have turned a rather unusual color.
Compelling new footage has been released showing more examples of 'Tic-Tac'-shaped UAPs.
A theoretical futuristic megastructure known as a Dyson swarm could have dire consequences for our planet.
Scientists have been exploring the depths of the ocean where, according to the Bible, Moses parted the water.
The controversial footage, which has been widely circulated for years, shows an object moving over the ocean.
A terrifying predator of the deep sea has been sighted in much shallower waters than ever before.
Something anomalous is thought to be frequenting our oceans and we still have no idea exactly what it could be.
The spacecraft will be trying to answer some of the most critical questions about Europa and its subsurface ocean.
Captivating footage captured during a deep-sea expedition shows a very unusual-looking creature.
Something in the ocean's deepest recesses is making a mysterious noise and now we know what it is.
India's Chandrayaan-3 mission has found evidence to support the idea that the lunar surface was once entirely molten.
The historic vessel was used during famed polar explorer Ernest Shackleton's last voyage to the Antarctic.
Detecting underwater acoustic signals could provide scientists with new insights into plane crashes.
This alien-like fish, which typically lives 3,000ft beneath the surface of the ocean, is a very unusual find.
The phenomenon, which was visible over the ocean, occurs under very specific atmospheric conditions.
Saturn's icy moon is thought to be home to an ocean of liquid water, meaning that it might also be home to alien life.
The former Fox News host also claimed that there are UFO bases both underground and under the ocean.
A research team studying bioluminescence came across this perplexing anomaly in the Gulf of Mexico.
A strange and rarely seen type of sea creature has been appearing more and more frequently along the coastline.
Scientists have started analyzing the material samples returned to Earth by the OSIRIS-REx asteroid mission.