Scientists have worked hard to understand how Earth has so much life-giving water ... attempt to explain the origin of water ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The ...

A recently discovered comet, known as C/2023 A3 Tsuchinshan–ATLAS, will make its closest approach of Earth on Saturday. Sky-gazers won’t want to miss the event since it may be the last time the comet ...

The space agency defied incredible odds to get its asteroid-hunting OSIRIS-REx spacecraft off the ground. Since then, the mission has upended everything we know about our solar system.

Stonehenge’s central stone, known as the Altar Stone, may have had Scottish and not Welsh origins, researchers say. The finding suggests that Late Neolithic ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 ... rock and ice from the solar system's origin, according to NASA.

A comet not seen in about 80,000 years — since Neanderthals walked the Earth — will be visible soon. In fact, the comet — known as C/2023 A3 Tsuchinshan-Atlas, as well as the “Oort Cloud ...

A city-sized asteroid is approaching Earth this October, set to make its closest approach on October 27. Known as 1036 ...

Meteor showers occur when Earth passes through dusty debris trails left by comets and other space objects as they orbit the sun. The debris – space rocks known as meteoroids – collides with Earth's ...

Comet C/2023 A3 (Tsuchinshan ... new information about the potential for life in its ocean under the 4-mile-thick crust of ice cover. Europa has about twice as much water under its surface as all of ...

Day of the Dead, or Dia De Los Muertos, is an annual holiday that honors the memory and life of deceased loved ones on Nov. 1 ...