We’ve been arguing about this for 20 years, and I think this nails it,” said Dr. John Vidale, Dean’s Professor of Earth ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

If Earth is a superorganism that intelligently regulates the conditions for life, humans could be part of its master plan.

Ryugu is a carbon-rich near-Earth asteroid considered to have formed in the chilly outer reaches of the solar system.

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

Scientists discovered chemical reactions that place amino acids on tRNAs and extend peptide chains without enzymes, a key ...

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic ...