The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the environment and setting the stage for complex life. This event, known as the ...

Did a loud boom startle you or your neighbors’ dogs on Saturday night in Southern California? If so, you’re not alone. SpaceX announced that its spacecraft, Dragon, reentered Earth’s atmosphere and ...

A spacecraft reentered Earth's atmosphere Saturday, triggering a sonic boom that was heard in parts of Los Angeles County. The SpaceX Dragon spacecraft reentered Earth's atmosphere around 10:41 p.m.

Trace elements like nickel and urea controlled cyanobacteria, delaying Earth’s oxygen boom. The appearance of oxygen in Earth’s atmosphere was a turning point in the history of our planet, forever ...

LOS ANGELES (KCAL, KCBS) — Most of Southern California felt the shaking from a brief sonic boom created as SpaceX’s Dragon spacecraft reentered Earth’s atmosphere on Saturday night. “Dragon is on ...

Researchers uncovered that trace compounds like nickel and urea may have delayed Earth’s oxygenation for millions of years. Experiments mimicking early Earth revealed how their concentrations ...