Astrobiologists believe Philae's comet may not be the only rock to host microbial alien life. Missions to distant moons in the 2020s could find that life isn't just possible in outer space, but abundant.
Engineers at NASA have solved a July Fourth anomaly that shut down the spacecraft for 81 minutes, just days before it was scheduled to reach Pluto
Analysis of a 48-million-year old lizard skull could shed light on how tropical species respond to climate change.
Humans aren't the only creatures that string sounds together to convey unique meanings. Research shows chestnut-crowned babbler birds have their own vocabulary.
A pristine fossil of the Hairy Collins’ Monster, an ancient ancestor of the modern velvet worm, has given researchers insight into how ancient animals fed and protected themselves.