The Webb telescope detects a clear, hydrogen-rich atmosphere, as well as water vapor, on the hot sub-Neptune planet TOI-421 B ...

While on Titan, Dragonfly will utilize its rotorcraft design to fly around the methane-filled world and explore Titan’s ...

But scientists have an incomplete picture of how the red ... it took anywhere from 50 to 200 years. On Earth, where the water table in most places is much closer to the surface, the same process ...