Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.
NASA astronauts talk about returning to the lunar surface not as a nostalgic repeat of Apollo, but as a strategic necessity. They argue that the Moon is the only nearby world where humans have already ...
Researchers say tropical coral reefs may have already crossed a tipping point, portending mass dieback. Studies suggest they ...
The Orion constellation is home to some of the most luminous stars in our Milky Way galaxy.