Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

White dwarfs are the dense, slowly cooling remnants left behind when stars like the Sun exhaust their nuclear fuel ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

What is the moon phase today?Today, Nov. 1, 2025, the moon is 11 days old and is in the Waxing Gibbous phase of its lunar ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

A trio of meteor showers sends flashes of light across our skies this month, and the first week will feature the largest and ...

On October 29, the alien comet passed through its closest distance to the Sun (perihelion). In case it's of interest, this ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a hyperbolic orbit, originated from beyond our solar system and will depart ...

Our culture has given us lots of terms for outstanding items, events, or people. But many of them contain one prefix that ...

This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years ...