Interstellar comet 3I/ATLAS has changed color for the third time as it peeks out from behind the sun. The biggest, brightest ...

Scientists used the James Webb Space Telescope to check if another Earth-sized planet orbits Proxima Centauri, our nearest ...

Exoplanet scientists are eagerly awaiting the discovery of an atmosphere around a terrestrial exoplanet. Not a thin, tenuous, ...

A giant exoplanet orbiting a nearby dwarf star has been found in an ideal location for next-generation telescopes to search ...

Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

An asteroid named 2025 PN7 has been in quasi-orbit of Earth for approximately 60 years. It's expected to stay there for ...

New research reveals that Earth’s so-called “Boring Billion” was a time of dramatic change beneath the surface.

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

At the heart of some of the oldest rocks in the Earth's crust, an international team has identified a chemical signature ...

In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets ...