Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

University of Bristol astrophysicists are helping shed new light on an Earth-sized exoplanet 40 light years away where liquid water in the form of a ...

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

An exoplanet has been discovered orbiting Barnard's star by the European Southern Observatory’s Very Large Telescope. Barnard ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

How will NASA's upcoming Habitable Worlds Observatory (HWO) mission differentiate Earth-sized exoplanets from other ...

A new study rules out the existence of global oceans of water on Neptune-like planets such as K2-18b, finding their water ...

Now, thanks to NASA’s James Webb Space Telescope, scientists have made the first direct measurements of one such disk around ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

St. Andrews University physicists who looked at the planet said that the research conjures "two possible explanations." ...

The bottom line is that the fact that fire is so tightly bound to Earth is a reminder of how special our planet is. Every ...

NASA’s Carruthers mission will capture the first full images of Earth’s exosphere, helping protect astronauts and guide the search for life.