Cosmic Perspectives from Amid the Stars:
Astronomy Blog

Gravity is the universal attraction of any two objects with mass. It is the reason we experience weight and stay firmly on the ground. But it’s also so much more than that. Nearly any interaction or process in outer space—from the tides on Earth to the formation of stars to the spirals of galaxies to the inescapable event horizon of black holes—can be traced back to gravity as a cause, whether direct or indirect. If our universe is a sculpted work of art, then gravity is the

Space: the final frontier... For 60 years the Star Trek franchise has brought its viewers along for spectacular trips across the galaxy and back. Generations of physicists, astronomers, astronauts, and more were inspired to explore their universe thanks to the voyages of the Starship Enterprise. But that continuing mission to explore strange new worlds, seek out new life and new civilizations, and to boldly go where no one has gone before was only possible thanks to warp driv

When you look up at the night sky, you’re not only looking out into space, but also back in time. You’re seeing stars that exist hundreds to thousands of light-years away, and that means you’re looking back hundreds to thousands of years into the past.