Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

The JWST tracks a path right-to-left across the eastern horizon in the hours following sunset in January. On Jan. 19 it will ...

NASA has launched a competition to help develop food sources for astronauts on Mars. The winning idea might even help people ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

The fate of the world’s largest island has outsize importance for billions of people on the planet, because as the climate ...

His 2024 autobiographical book, The World Walk, tells the remarkable story of his journey with his trusted companion, ...

After eons underground, it was discovered by accident. Within a couple of decades, it was already under threat.

2025 was the third hottest year on record, but thousands of cities saw record heat and one broke a record for cold.

Two of the World Meteorological Organization’s datasets ranked 2025 as the second warmest year in the 176-year record, and ...