
Did the Seeds of Life Ride to Earth Inside an Asteroid?
Biological amino acids could have celestial or terrestrial roots. An experiment simulated their formation in deep space—but the mystery isn’t solved ..
Biological amino acids could have celestial or terrestrial roots. An experiment simulated their formation in deep space—but the mystery isn’t solved ..
The two probes made flybys of Jupiter and Saturn in the 1970s. Today they’re still doing science way out beyond our solar system. ..
Astronomers tried to confirm a signal from the birth of the first stars after the Big Bang. They saw nothing. ..