Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
Tag: oxygen
How complex plants reshaped the oceans
Researchers found that when complex plants evolved, they increased ocean oxygen and massively restructured the marine ecosystem.
How complex life arose under extreme stress
Scientists discovered molecules that helped the first complex life forms build strong cell membranes to withstand extreme environments.
If there was oxygen on a far away planet, how would we know?
Scientists use computer models to simulate what oxygen would look like on far away planets and found a chemical signature that helps us tell…
One way that oxygen can damage our DNA
Guanine, a component of DNA, is revealed to react with oxygen and change how your genes are expressed.
Can life hiding near Yellowstone National Park’s hot springs tell us about the ancient Earth?
Yellowstone National Park is famous for its hot springs, geysers, wildlife, and incredible geology. While the area is popular among visitors…