The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet-forming disks. These objects could "seed" the disks, sweeping past the ...

The composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

A team led by the Southwest Research Institute (SwRI) compared the early impact histories of Venus and Earth, discovering that Venus experienced higher-energy impacts, resulting in an overheated core.

We like to think that our solar system is eternal, but one day, its very epicenter will die. Our Sun, like all stars, had a ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Centre of Competence in Research PlanetS, the University of Warwick, and the Canary Islands ...

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

Three celestial bodies are about to meet up for one night in September in a conjunction that should be widely visible in the U.S. – including Florida.

Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...