Have you ever wondered why, with the vastness of the universe and the countless exoplanets we've discovered, there's still no ...

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.

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

New experiments show young rocky planets can generate water naturally when molten surfaces react with hydrogen in their early atmospheres.

In the early chaos of planetary formation, before crusts cooled or atmospheres settled, water might already have been ...

Efforts to discover extraterrestrial life are increasingly engaging scientists. However, a recent study presents a rather pessimistic view about such a discovery. According to researchers, ...

A new report offers the latest confirmation of 3I/ATLAS and its interstellar origins, as scientists still debate over its unusual properties.