astronomy

Early cave paintings

Ancient Cave Paintings Show Early Humans Understood Complex Astronomy

Can Aliens See Us? Study Identifies 9 Worlds Outside Solar System That Could ‘Spot’ Earth

Earth

Study Reveals Which Species Is Likely To Be Last Survivor On Earth

Skyline of San Francisco featuring Transamerica Pyramid

Study Uncovers Cause Of Mysterious ‘Bright Nights’ Phenomenon

Study: The Universe May Have Been Born From A Hologram