gravity

The New Coronavirus Has Reminded Us of Our Debt to Darwin

Earth Currently Has A Second Moon – But It Won’t Stay Long

Big Bang, Big Chill, Big Freeze, Big Rip, quantum tunneling, cosmic microwave background radiation, metric expansion of the universe, cosmic inflation, redshift, Doppler effect, metastable valley, Hubble constant, cosmological constant, Quintessence, dark energy, gravity, general theory of relativity,

Why Won’t the Gravity of Galaxies Keep Our Universe From Expanding?

Einstein’s Theory of Gravity Tested by a Star Speeding Past a Supermassive Black Hole

According to the theory of panspermia, outer space seeded Earth with comet-borne primitive life forms over four billion years ago. Credit: Yuri_B/pixabay

Eight Important Ethical Questions About Exploring Outer Space

Credit: skeeze/pixabay

Why Science Says Astrology Lacks Meaning and Evidence

Sundar Sarukkai’s Claim That the ‘March for Science’ Was Unscientific Is Farcical