The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts ...

Astronomers discovered a comet originating from outside the solar system this summer. Its name is 3I/ATLAS ("three-eye-Atlas"), which means it's the third interstellar object found in the solar system ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...