@neildegrassetyson.com
Astrophysicist
@neildegrassetyson.comI’ve come to conclude that A.I. knows everything, yet understands nothing.
@neildegrassetyson.comOn the creation of NOAA & EPA under his signature: “Congress, the Administration and the public all share a profound commitment to the rescue of our natural environment, and the preservation of the Earth as a place both habitable by and hospitable to man” —Richard Nixon 1970
@neildegrassetyson.comGoing live on YouTube at the top of the hour (4:00pm PT / 7:00pm ET) to host “Moonshots Live!” at the United Theater, LA. Will be Chief Judge of the Future Vision X-Prize to evaluate the best Sci-Fi film ideas that portray positive, non-apocalyptic futures.
@neildegrassetyson.comAnd now for something different, which may (or may not) ever be repeated.
StarTalk's "Wheel of Neil" -- but only if you have nothing better to do for 42 mins.
www.youtube.com/watch?v=PP_o...
@neildegrassetyson.comHow I choose to remember the WTC Twin Towers.
[300 words]
neildegrassetyson.com/photos/2002-10-city-of-stars/sunset-on-wtc/
@neildegrassetyson.comWOULD ALIENS THINK HUMANS ARE UGLY ?
An excerpt from “Take Me To Your Leader: Perspectives on Your First Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comIn Case You Missed It: This morning's launch of @NASA's Nancy Grace Roman Telescope. [7:26am ET, August 30, 2026]. Will arrive at Sun-Earth L2 in Early December, to discover Exoplanets and observe the effects of Dark Matter & Dark Energy on the Universe.
@neildegrassetyson.comWhen Space Exploration touches poets and artists, we must be doing something right.
@neildegrassetyson.com*** PLUTO ***
Twenty (!) years ago this month, Pluto was officially demoted. Here's the entire saga: science & pop culture. Though often blamed, I was just an accessory
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The Pluto Files: The Rise & Fall of America’s Favorite Planet (2009)
neildegrassetyson.com/books/2009-01-the-pluto-files
@neildegrassetyson.com*** PLUTO ***
Ten years ago this month, Pluto was officially demoted to Dwarf Planet. Here's the entire saga: science & pop culture. Though often blamed, I was just an accessory.
The Pluto Files: The Rise & Fall of America’s Favorite Planet (2009)
neildegrassetyson.com/books/2009-01-the-pluto-files
@neildegrassetyson.com*** PLUTO THE SAVIOR ***
An excerpt from “Take Me To Your Leader: Perspectives on Your First Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comSat, Aug 15 / 4 am / 41 deg N / Due East The “Winter” constellation Orion climbs late over the horizon to join the rest of August's visible constellations. It will rise earlier and earlier (4 min per day), eventually sitting high in December’s early evening sky. [iPhone 16 Pro, 2 sec; Handheld]
@neildegrassetyson.comHumans kill one another so often, for all reasons including none, I wonder how we'd treat a peaceful Alien who visited Earth.
@neildegrassetyson.comALIENS & WHALES
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An excerpt from “Take Me To Your Leader: Perspectives on Your First Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comWHAT IF ALIENS EXIST IN HIGHER DIMENSIONS ?
An excerpt from “Take Me To Your Leader: Perspectives on Your First Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comSPACE ALIENS IN LOS ANGELES
An excerpt from “Take Me To Your Leader: Perspectives on Your First Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comGot 20 minutes?
[Video: StarTalk's YouTube Channel]
www.youtube.com/watch?v=dYiU...
@neildegrassetyson.comBANANAS, HUMANS, & ALIENS
An excerpt from “Take Me To Your Leader: Perspectives on Your first Alien Encounter”
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comIn the coming weeks, I’ll be posting random excerpts from “Take Me to Your Leader: Perspectives on Your first Alien Encounter.”
P.S: If you’re a better listener than reader, and if you like my voice, I also narrated the Audio book.
More information.
neildegrassetyson.com/books/2026-0...
@neildegrassetyson.comJuly 4, 2026 Happy 250th Birthday, America. [Deck of the Intrepid Sea, Air, & Space Museum, NYC July 4, 2012]
