Chapter updates


Breakthrough Listen publishes largest release of SETI data in the history of the field


2019 Meteorite makes hole in doghouse roof


Moon rocks in 2019

The second LIGO discovery


Hubble Images the Whole Triangulum Galaxy


Aid to the Formation of Life on Earth


Quasar as a Probe of Missing Baryon Mass


The Road to the Discovery of Solar Neutrinos


NASA's Eyes on Exoplanets


Ceres Deposits

Public Naming Contest for Latest Moons of Jupiter


Juno at Jupiter


Visiting the Moon's Uncharted Territory


Observing the Midnight Sun


Powers of Ten - movie


Citizen scientists re-tune Hubble’s galaxy classification


Tektites, iridium, and fish fossils from the dinosaur extinction event


Revolutionary mission to explore Saturn’s largest moon


Rings of Uranus Imaged in the Infrared


Explaining the formation of the Moon


Prefixes for Large Numbers: Beyond the Yottabyte


Black holes may have soft hair (say Stephen Hawking and colleagues)


Seeing the Milky Way in different wavelength bands


LIGO discussed on NPR

Messaging ExtraTerrestrial Intelligence


The Hubble Constant Over Time


Renaming Hubble’s Law to the Hubble-Lemaître Law


2017 Nobel prize in Physics awarded for detection of gravitational waves


30 Year Supernova Time Lapse


Crystal White Dwarfs


Parker Solar Probe Nears the Sun

First TESS results


NASA to Launch “Lucy” to Trojan Asteroids


2019 Meteor Trail like Chelyabinsk’s


The Hunt for Planet 9


Additional Moon for Neptune


Saturn's Rings and Rotation


NASA's InSight on Mars


Highlights of the U.S. Global Change Research Program Climate Science Special Report


Motion of the Earth’s North Magnetic Pole


A model Solar System


Observing with Mike Brown on Maunakea


See the Milky Way in a whole new light


Videos for teaching astronomy


Author Alex Filippenko talks on “Discovering our Celestial Connections” – movie