Every breath a person takes draws from a gas mixture that has barely shifted in recorded history: roughly 78 percent nitrogen ...

Researchers have developed the Smaller Than Earth Habitability Model (STEHM) to assess which planets can maintain ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

That would have enabled more of this organic carbon—and carbonate accumulating in shallow water around Columbia—to be ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

May 21, 2026 Jupiter’s storms aren’t just gigantic — they may unleash lightning far more powerful than anything on Earth. Using NASA’s Juno spacecraft, scientists discovered that some lightning bolts ...

The finding offers fresh insight into our solar system’s farthest, coldest objects in a region known as the Kuiper Belt.

Carbon dioxide makes up only about 0.04% of the Earth’s atmosphere, but that seemingly small figure ignores threat CO2 poses to the climate. Carbon dioxide accounts for 79% of U.S. greenhouse gas ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the ...