Dallas Johnson

Written by Dallas Johnson

Venus experiences extremely high temperature due to its thick atmosphere.

Science

Why Venus Became A Hellish Planet

Bright Sun against dark starry sky in Solar System (elements of this image furnished by NASA).

Science

What's the Brightest Object in the Sky?

NASA's Scientific Visualization Studio - NASA/GSFC/Daniel Glavin, Tohoku University/Yoshihiro Furukawa, eMITS/Dan Gallagher, eMITS/John D. Philyaw, eMITS/Rob Andreoli, NCS/Tahira Allen, NASA/GSFC/Kathryn Mersmann, eMITS/Aaron E. Lepsch, Public domain, via

Science

What The Bennu Samples Are Telling Us About Life's Origins

Global color mosaic of Mars created from ESA Mars Express imagery. Image Credit: ESA/DLR/FU Berlin/G. Michael, CC BY-SA 3.0 IGO

Science

Why Mars Lost Most Of Its Atmosphere

Color image of Europa.

Science

Could Humans Survive on Europa?

People in downtown Kennett Square, Pennsylvania. Image credit Bo Shen via Shutterstock

Places

13 Most Welcoming Towns In Pennsylvania's Countryside

ESA’s Euclid mission is mapping billions of galaxies to investigate the invisible dark matter and dark energy shaping the Universe. Image Credit: ESA/Euclid/Euclid Consortium/NASA, CC BY-SA 3.0 IGO

Science

What Euclid Is Mapping In The Dark Universe

Concept illustration of the possible ninth planet, a distant world that scientists believe may be hiding beyond Neptune.

Science

Why The Search For Planet Nine Picked Up Again

Ancient Roman stone arch bridge connecting hills over Tagus River in Alcántara, Spain.

History

Ancient Bridges Still Carrying Traffic

Deer Tick Questing - Ixodes scapularis

Places

5 Tick Infested Areas In Tennessee

Olympus Mons volcano on Mars' surface. Editorial credit: Andera Luck, CC BY 2.0, via Wikimedia Commons

Science

The Largest Volcanoes Ever Found Beyond Earth

Sculpture group of an ancient caravan with camels carrying various goods along the Silk Road.

History

The Most Lucrative Trade Goods of the Ancient World

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