Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists anywhere else besides Earth.

In the search for planets beyond our solar system, many scientists focus on finding worlds that could support life. But ...

A team of international scientists recently published the discovery of nine new hot Jupiter exoplanets in The Astronomical ...

Scientists using the James Webb Space Telescope recently announced the discovery of gases on a faraway planet that may be the same as those produced by ocean plankton on Earth. But a North Carolina ...

Astronomers confirm the existence of small, hot and likely rocky planets by observing the subtle gravitational wobbles of the star they orbit Researchers supported by the U.S. National Science ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

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In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Explore the discovery of seven Earth-like planets beyond our solar system.

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...