Mars once had rivers and ponds but the water evaporated about three billion years ago. Nobody knows why this happened and a new study by University of Chicago scientists has provided unusual answers … [+3669 chars]
Recently, a 13-year-old in Mumbai asked philosopher of mathematics Sam Baron what would happen if someone were to move hypothetically at twice the speed of light. Baron replied, As far as we know, i… [+4927 chars]
The Hubble Space Telescope captured a detailed view of the large spiral galaxy NGC 3227 and its companion, an elliptical galaxy called NGC 3226, along with the faint tidal streams of gas and dust tha… [+2512 chars]
