11:56
An HIV Mystery, the Search for E.T., and a Bug Bite Itch Zapper
BuzzFeed News science editor Virginia Hughes shares her top stories from this week in science, and astronomer Seth Shostack debates the pros and cons of attempting to contact E.T.
17:20
Closer to Earth, 2.0, and a New Horizons Update
NASA’s Kepler program has located a planet close in size to Earth, orbiting in the habitable zone of a star similar to our own sun. Plus, new data about Pluto.
17:19
New Horizons Reveals Unexpected Worlds
Ice mountains and gaping canyons are just a few of the surprising features the New Horizons spacecraft beamed back this week.
17:26
A Sci-Fi Writer Keeps His Eye on ‘Spaceship Earth’
In his new novel, “Aurora,” sci-fi writer Kim Stanley Robinson puts the dream of interstellar colonization under the microscope.
Well, Hello, Pluto!
Our most up-close-and-personal shot of the (dwarf) planet yet.
17:43
New Horizons Prepares for Pluto Close-Up
The New Horizons probe is about to capture its prize: a close-up of Pluto.
5:14
Astronomers Play Hide-and-Seek with Supermassive Black Holes
Researchers estimate that there are millions of supermassive black holes hidden in the universe.
A Peek Inside the Mind of Elon Musk
An excerpt from the new biography “Elon Musk.”
12:00
A Cometary Awakening, a Vaccine Mystery, and Brand New Bacteria
Tariq Malik of Space.com talks about Philae’s unexpected awakening, and Arielle Duhaime-Ross helps decipher a mystery that has plagued scientists for 50 years.