Best photos of moon, Spica, Mars on July 5

A wonderful conjunction on Saturday night. Thanks to all who submitted photos.

ISS photobombed the sun this week

Spaceships and sunspots! Two great photos of ISS transiting the sun on June 30.

Earthlike planet found orbiting double stars

Located 3,000 light-years away, this frozen world probably isn’t habitable, but the method for locating it might let other habitable planets be found.

Violent origins for an Australian meteorite

It was apparently born in an asteroid collision 3.6 billion years ago.

Happy anniversary, Cassini spacecraft

June 30 is the 10-year anniversary of the Cassini spacecraft's successful insertion into orbit around Saturn. Imaging team leader Carolyn Porco expresses the wonder.

How the Pillars of Creation were created

The famous Hubble 'Pillars of Creation' image was made in 1995. New research suggests how these finger-like structures of interstellar gas and dust were formed.

Puzzling X-rays in Perseus might point to dark matter

Astronomers have detected a mysterious X-ray anomaly that might be a signal of dark matter, the elusive, invisible stuff that makes up most of our universe.

Monster black hole trio discovered in distant galaxy

Researchers have discovered a distant galaxy with not one, but three supermassive black holes at its center.

Earth-sized diamond in space is coolest white dwarf star

The coldest, dimmest white dwarf star ever detected is so cool that its carbon has crystallized, forming - in effect - an Earth-sized diamond in space.

Should the Higgs boson have caused our universe to collapse?

British cosmologists have concluded that the universe should not have lasted for more than a second after the Big Bang.