The Perseid meteor shower is considered the best of the year due to the 50 to 100 meteors viewers can see per hour.

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

This new measurement suggests some comets — particularly those such as 12P/Pons-Brooks — could indeed have delivered water, and possibly other life-essential elements, to a young Earth.

The best time to see the Perseid meteor shower this year will be early in the morning Wednesday, a few hours before the sun ...

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

New research uncovered compelling evidence — with the aid of a Big Island telescope atop Mauna Kea — that water from a comet is strikingly similar to that found in Earth’s oceans.

The Perseids meteor shower is the most popular one of the year. The meteors during this time are characterized by bright ...

The comet is hurtling our way at 130,000 mph, but will veer closer to Mars than Earth, keeping a safe distance from both.

The object, officially titled 3I/ATLAS, was discovered in July and is currently traveling toward Earth at an estimated ...

New images from the Hubble telescope show an extrasolar entity as it hurtles through our solar system at speeds of more than 130,000 mph (210,000 km/h).