Medicine & TechnologyJeff Bezos challenges NASA's contract awarded to SpaceX for the Artemis moon lander. Elon Musk said Blue Origin "can't get [its rockets] up to orbit."
Proxima Centauri — the nearest star next to our own — produced one of the most powerful flares on record. It could change the way scientists think about its habitability.
Biodegradation of used products has a big potential in reducing waste. Experts say it is not as simple as just waiting for something to disappear in the ground.
If, through some scientific malfunction, you found yourself transported 70 million years into the past, you might be safer from certain hungry reptiles than you think.