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

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

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

Data from the Kepler project has confirmed a new world that fulfills the telescope's goal of locating Earth-sized planets ...

Planet formation used to sound straightforward: dust clumps into rocks, rocks grow into worlds, and the rest is detail. A ...

The moon is pretty inhospitable to humans, but recent research has found that it's surprisingly possible for breathable air ...

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

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

When charted on a graph, 2023, 2024 and 2025 “seemed to jump up,” said NOAA climate monitoring chief Russ Vose. When averaged ...