Earth's last half-billion years were action-packed. During that time, the climate underwent many changes. There have been changes in ocean…
The James Webb Space Telescope (JWST) has once again found evidence that the early universe was a far more complex…
The Large Magellanic Cloud (LMC) is the Milky Way's most massive satellite galaxy. Because it's so easily observed, astronomers have…
After several months of meticulous, careful work, NASA has the final total for their haul of asteroidal material from the…
In the quest to understand how and where life might arise in the galaxy, astronomers search for its building blocks.…
If there's one chemical that causes excitement in the search for biosignatures on other worlds, it's methane. It's not a…
Astrophysicists working with the JWST have found a surprising amount of metal in a galaxy only 350 million years after…
Astronomers are working hard to understand biosignatures and how they indicate life's presence on an exoplanet. But each planet we…
Earth was once entirely molten. Planetary scientists call this phase in a planet's evolution a magma ocean, and Earth may…
Most planets and moons in the Solar System are clearly dead and totally unsuitable for life. Earth is the only…