Science

A substance found in young spinal fluid helps old mice remember
A team at Stanford University has reversed memory loss in old mice by flooding their brains with spinal fluid taken from young animals. The finding may hold promise for Alzheimer's research.
This is the first image of the black hole at the heart of the Milky Way
"We finally have the first look at our Milky Way black hole, Sagittarius A*," an international team of astrophysicists and researchers from the Event Horizon Telescope team said.
Here's how to watch the total lunar eclipse on May 15
Late in the evening, the full moon is slated to pass directly into Earth's shadow cast by the sun, illuminating the moon a brilliant red.
NASA is bringing rocks back from Mars, but what if those samples contain alien life?
NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.
Antarctica's 'Penguin Post Office' is hiring
If you can sort mail, sell postage stamps and count penguins, this could be the job for you.