Phil Plait

Bad Astronomy

Apollo 11 descends to the Google Moon

Woolly rhinoceros or Elasmotheriinae, one of the ancient rhino species mentioned in this study.
(Image Credit: aleks1949/Shutterstock) 

Elasmotheriinae

Learn more about a rhino tooth that is changing the field of paleontology and providing crucial insights into rhinoceros evolution and conservation.

Protein Found in 20-Million-Year-Old Rhino Tooth is Oldest Ever Sequenced

(Image Credit: Vadim Sadovski/Shutterstock) 

asteroid

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects. 

Strikes From Two Eocene Asteroids May Not Have Changed Earth’s Climate Long Term 

Ancient tool made from red jasper, not associated with this study. (Image Credit: Tyler Hulett/Shutterstock) 

red jasper arrowhead

Learn more about the colorful and shiny stones that were turned into tools as many as 40,000 years ago, which were sometimes sourced from afar. 

Stone Age People Traveled Miles To Source Stunning Raw Materials, Like Red Jasper, for Tools

An artist’s impression of the UK-led CosmoCube spacecraft, which would orbit be tasked with listening out for an “ancient whisper” from the early universe on the far side of the moon.

(Image Credit: Nicolo Bernardini (SSTL Ltd) & Kaan Artuc (University of Cambridge))

CosmoCube

Learn about a cosmic project that will journey to the dark side of the moon in order to listen for the Universe’s earliest echoes.

New Spacecraft Hopes to Capture Ancient Whispers From the Universe’s Dark Ages

Is Earth's inner core solid or liquid? (Image Credit: Rost9/Shutterstock) 

Earth's inner core that is solid

Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many years. 

Earth's Inner Core Is Solid — Not Liquid — Even Though It's Blistering Hot

waves of the universe

Learn about the theory suggesting that the Earth sits inside of a void, which may explain why the universe appears to expand at an accelerating rate.

Sound Waves From the Big Bang Suggest Earth Is Sitting Inside of a Void

Apollo 11 descends to the Google Moon

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