Scientists used to think the universe began from a singularity. Nearly 100 years later, we're not so sure.
Once limited in range, mass hysteria can now spread across the globe in an instant.
Water is vital for life. Luckily for spacefaring humans, the solar system is full of it.
A new model addresses a longstanding problem: where do quasars get the fuel they need to outshine entire galaxies?
Let's celebrate the progress, but put the cork back in the champagne bottle.
Jupiter's atmosphere is hotter than it should be, and now we know why.
For the first time, light that comes from behind a black hole has been spotted.
The brain of an ancient bird offers clues to the survival of its modern-day relatives.
Scientists discover surviving viruses in 15,000-year-old glacier ice on the Tibetan Plateau in China.
The eastern inner core located beneath Indonesia's Banda Sea is growing faster than the western side beneath Brazil.