Long before forests of tall trees covered the planet, Earth was ruled by something stranger: towering, trunk like organisms ...

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have ...

New research suggests that essential components of life may assemble in interstellar space long before planets or oceans ...

In high enough doses, hydrogen cyanide can kill an adult human in minutes, but the chemical may be the reason why we’re here ...

Earth’s deep interior may hold water equal to today’s oceans, challenging long-held views of how the planet became habitable.

Our Solar System is believed to have formed from a cloud of gas and dust, the so-called solar nebula, which began to condense on itself gravitationally ~ 4.6 billion years ago. As this cloud ...