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

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

NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific ...

"Understanding these weather processes will be crucial as we continue to discover and characterize exoworlds in the future." ...

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

The James Webb Space Telescope has, for the first time, measured the carbon-rich concoction that forms a moon-forming disk of ...

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 ...

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life.

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 ...