“Eye of Sauron” is a nickname for an active supermassive black hole at the core of a distant galaxy. Researchers measured its distance at 62 million light-years.
Black holes, worm holes, exoplanets, time dilation. Three astrophysicists discuss them all in a presentation of the science behind the film Interstellar.
Scientists studying Earth’s Van Allen belts have found an invisible shield that blocks ultrafast electrons from moving deeper into Earth’s atmosphere.
Watch 238 days of the sky’s brightest planet, Venus, coming to your evening sky soon. You can also see Mercury, Mars and Jupiter enter the scene at various points.
Scientists have long thought the moon’s volcanos stopped erupting a billion years ago. But dotting the lunar landscape are some remarkably fresh volcanic features.
2014 Geminid meteor shower will feature a last quarter moon. Some bright Geminids will withstand moonlight! Evenings December 12 and 13. Mornings December 13 and 14.
One second after the Big Bang, the Higgs boson should have caused a Big Crunch, collapsing the universe to nothing. But gravity saved the day.
Ten oddities and misconceptions about space that you may — or may not — have heard before.
Take 2 seconds to listen to a sound made 311 million miles away.