Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How ...

Recently, Earth’s rotation has been speeding up, shortening days by milliseconds. While this change is minor, scientists are ...

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It ...

Late at night, as I was writing, I looked up to see the bright moon hanging outside my window, and a fascinating hypothesis ...

Planet Earth, narrated by David Attenborough, is streaming now. Find out where to watch all seasons, including Planet Earth ...

Scientists have begun their study of the fourth planet from the TRAPPIST-1 star. Credit: NASA / ESA / CSA / STScI / Joseph ...

Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ...

A new rectangular telescope design could finally spot Earth-like planets around nearby stars, bringing the search for alien ...

Beneath the African continent, powerful plumes of molten rock are slowly reshaping the land from below. Scientists studying ...

New simulations show carbon enabled Earth’s inner core to solidify under realistic cooling, solving the nucleation paradox.

New research has unveiled the potential for an atmosphere around an Earth -sized planet located approximately 40 light-years ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.