Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

Scientists have discovered a potential three-body system in the Kuiper Belt, the Altjira system, challenging planet-formation theories.

From batch sales of unopened rocks on eBay to discrete phone calls to higher-dollar patrons, Illinois’ commercial fossil ...

Deep beneath Earth’s surface, researchers have discovered an ancient seafloor buried for millions of years. This unexpected ...

Dr. Ashley Martin: "A large ammonium reservoir would have been very beneficial for early life, providing the nitrogen source ...

Saturn's rings, known for their celestial beauty, will temporarily vanish next week when the planet's tilt causes them to ...

Thomas Westerhold, Edoardo Dallanave, Donald Penman, Blair Schoene, Ursula Röhl, Nikolaus Gussone, Junichiro Kuroda: Earth Orbital Rhythms links Timing of Deccan Trap Volcanism Phases and Global ...

Scientists have uncovered that iron oxides, previously thought to trap phosphorus, actually help convert it into a ...

It’s sunny in San Francisco. I’m here for a writer’s conference and to visit our son and his wife. I’m beginning to feel like this is my town! I took ...