Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

Cold cosmic dust grains can link amino acids into protein‑like chains in deep space, suggesting life’s chemistry may begin long before planets form, seeding young worlds.

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

One of the boldest dreams in modern astronomy is the search for Earth-like worlds beyond our solar system. These exoplanets may hold oceans, rocky ground, and even atmospheres rich in oxygen or ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

Register for 2027 at [email protected] and we will contact you with confirmed tour details, including dates and prices, when available. Take off on a quest through the past, present and future of ...