After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your ...

A study led by Howard Chen looks to explain what NASA space telescopes are missing in the search for life beyond Earth.

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states ...

The solar system is a grand cosmic stage where each planet and moon plays a unique role in a story billions of years in the making. From Mercury’s shrinking surface and Venus’s runaway greenhouse ...

A recent study introduces a potential new candidate, dubbed Planet Y, inferred from the tilted orbits of distant objects in the Kuiper Belt.

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

New research suggests that planets outside our solar system contain far less surface water than scientists once believed.

Previous research suggests that brown dwarfs should contain phosphine—which forms when phosphorus combines with ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...