
Birth of Planets! Formation of Alien Worlds Photographed for First Time
Scientists photograph a gas-giant exoplanet forming around a young star that lies about 450 light-years from Earth

Birth of Planets! Formation of Alien Worlds Photographed for First Time
Scientists photograph a gas-giant exoplanet forming around a young star that lies about 450 light-years from Earth

Graphic: A World of Exoplanet Discoveries
What we know about alien worlds—and what’s coming next


Mysterious Glow at Milky Way's Center Could Be Dark Matter or Hidden Pulsars
Astronomers get closer to an explanation for the unexpected abundance of gamma rays at the core of our galaxy

The Failure of Phobos
A new explanation for the strange grooves on the surface of the martian moon Phobos suggests that the entire satellite already shows signs of how it will eventually be destroyed.

Pandemonium! Motion of Pluto's Moons Perplexes Scientists
New Horizons reveals the orbits of Pluto's four smallest moons to be even more chaotic than expected

Book Review: Dark Matter and the Dinosaurs
Recommendations from Scientific American

Astronomers May Have Witnessed 2 Black Hole Births
Stars that disappear rather than explode could signal a black hole’s beginnings

"Halloween Asteroid" Will Fly Near Earth Saturday
Asteroid TB145 will make a near pass of our planet, offering astronomers a chance for an up-close radar view of its surface

Rosetta Sniffs Oxygen around Comet 67P
The presence of the gas could have implications for theories of the early solar system

20 Years on, the Future Is Bright for Exoplanet Science
Astronomers have now confirmed the existence of nearly 2,000 planets beyond our own solar system

Vast Cosmic Voids Merge Like Soap Bubbles
The gaps between the universe’s filaments of dark matter and galaxies are far from static

How to End Sexual Harassment in Astronomy
The case against Geoff Marcy must be a wake-up call to reform our field