Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

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

Astronomers have identified a small but significant possibility that a Neptune-sized planet is quietly orbiting within the ...

In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets ...

The latest member of the caled as 2025 PN7, a newly discovered asteroid that could expand Earth's 'moon family' to eight.

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

William Lassell, an amateur astronomer, discovered Neptune's moon Triton on October 10, 1846, using his self-constructed 20-foot reflector telescope, a mere 17 days after Neptune's initial ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.