The 2017 Nobel prize for physics was awarded to scientists who helped pioneer the discovery of ripples in the fabric of spacetime, known as gravitational waves.
Scientists have just returned from a major expedition to Zealandia, a "hidden" Earth continent, likely submerged beneath the sea surface more than 80 million years ago.
Scientists are a step closer to resolving this head-scratcher. And their findings have potential consequences for the fight against pain and addiction.
A mirror in the sky to "signs" from the Bible's Book of Revelation? Possibly. But this same sky scene has been seen 4 other times in the past 1,000 years. An astronomer explains.
Talk about dedication to science! This biologist stuck his arm into an eel tank - 10 times - to get an accurate measure of an eel's shock. He said it felt "like touching a horse fence."