For millions of years, a frozen traveler drifted in silence through the stars, carrying secrets from another world. This ...
Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...
The Hubble Space Telescope, a cornerstone of modern astronomy, has been providing breathtaking images and invaluable data for ...
On this day in science history Sept. 17, 1999: Jesse Gelsinger died after receiving a gene therapy treatment to treat a liver ...
"For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever," Tye says. "The new data seem to indicate that the cosmological constant is ...