Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life in the dwarf planet's hidden subsurface ocean billions of years ago.

The Sun has a radius 109 times the size of Earth’s – this size difference means that an Earth-like planet orbiting a white dwarf could be about the same size as the star itself. White dwarfs are ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

A team of astronomers at the University of Arizona played an integral role in uncovering a baby planet with a pretty cute name: WISPIT 2b.

Transmissions between Earth and our own spacecraft could tell us where to look for potential alien transmissions.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

In June 2024, astronomers detected a peculiar series of repeating radio signals from deep space, named FRB 20240619D. Using ...

Scientists have discovered colossal mountain-like structures, known as Large Low Shear Velocity Provinces (LLSVPs), buried deep within the Earth's man ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

A study suggests an Earth-sized planet, dubbed Planet Y, may exist beyond Neptune, affecting the orbits of icy objects in the ...

Extreme climate change could gradually transform Earth into a planet with boiling seas and desolate landscapes. Ecosystems ...