SciShow
The Oldest Planet Ever Discovered
We've only found one planet in a globular cluster, where gravitational interactions should usually rip baby planets apart, but that's not all that excites astronomers about PSR 1620-26 b.
SciShow
We’re Talking To Aliens
We’ve done a lot of searching for life in the universe and we need to continue to if we hope to make contact. But not all of our attempts were expected to succeed. That’s where Beacon in the Galaxy comes in.
SciShow
3 Cosmic Time Capsules
Long before we were around, the universe was preserving clues about the distant past, in everything from little balls of carbon to huge groups of stars.
NASA
NASA | Fermi Finds a Youthful Pulsar Among Ancient Stars
In three years, NASA's Fermi has detected more than 100 gamma-ray pulsars, but something new has appeared. Among a type of pulsar with ages typically numbering a billion years or more, Fermi has found one that appears to have been born...
NASA
Explore the Universe with Hubble Messier Catalog
The Messier catalog includes some of the most fascinating astronomical objects that can be observed from Earth's Northern Hemisphere. Among them are deep-sky objects that can be viewed in stunning detail using larger telescopes but are...
NASA
Explore New Hubble Images of Celestial Objects From the Caldwell Catalog
Hubble turned 30 this year, and it has a birthday present to share with you! Newly released Hubble images of 30 celestial objects from the Caldwell Catalog show stunning cosmic sights, many of which you can see with a backyard telescope!...
NASA
Hubble Views Galaxy Lacking Dark Matter
NASA's Hubble Space Telescope took an image of a bizarre, ghostly looking galaxy called NGC 1052-DF2 that astronomers calculate to have little to no dark matter. This is the first galaxy astronomers have discovered to be so lacking in...
Curated OER
The Life & Death of Stars
This video takes up where the other video in this series leaves off. Discussing what the color of stars mean and where they come from, the narrator describes the nature of red giants, white dwarfs, blues, and stars like our warm, yellow...