What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

The most striking claim about 3I/ATLAS is its estimated age range of 8-14 billion years. This analysis, led by Michele ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Explore seven factual aspects of Jupiter, including its size, moons, rotation, atmosphere, rings, formation, and magnetic field based on NASA findings.

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling ...

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

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

A new 3I/ATLAS captured by NASA-supported Gemini North telescope revealed a 'chemical scream' as the comet's temperature ...