Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is suspected to be causing unusua ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

Astronomers using the Hubble Space Telescope have observed a white dwarf – a highly compact stellar ember – that appears to have gobbled up an icy world akin to the dwarf planet Pluto, a finding with ...

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

A new study reveals that the largest lunar crater, South Pole-Aitken basin, was formed by an oblique impact that shaped the ...

The newly discovered 2025 PN7 is irregular in shape and only around 20 metres wide, and technically a “quasi-moon" or “quasi-satellite” because, unlike our Moon, it doesn’t orbit the Earth.

While the Orionids aren’t the most prolific meteor shower of the year, they are incredibly fast movers. They enter the ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending a mission to one would undoubtedly yield a scientific payoff. There’s a ...

From food myths to outdated lessons, many facts boomers learned in school have been debunked. Discover which classroom ...

Every so often, the universe puts on a show that reminds us how rare and unpredictable space can be. Planets […] ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolit ...