Astronomy

Astronomy

Nearby galaxies put a lens on hundreds of distant ones

Cache of faint galaxies in early universe discovered with help from massive galaxy clusters a bit closer to home.

Astronomy

‘Halloween fireballs’ may light up the night sky

Trick-or-treaters might get treated to a meteor swarm for Halloween.

Planetary Science

Asteroid set for Halloween flyby

Large asteroid will pass Earth just beyond the moon’s orbit on Halloween.

Astronomy

Comet carries alcohol, sugar

Sugar and alcohol are just two of the ingredients that go into making a comet.

Astronomy

White dwarf upsets planetary system, consumes evidence

Rocky planets are disintegrating around a white dwarf, the core of a dead star.

Astronomy

White dwarf upsets planetary system, consumes evidence

Rocky planets are disintegrating around a white dwarf, the core of a dead star.

Astronomy

Dead stars team up for supernova explosions

Three type 1a supernovas show hints of being triggered by collisions between pairs of white dwarfs.

Science & Society

Special Report: Gravity’s Century

After years of pondering the interplay of space, time, matter and gravity, Einstein produced, in a single month, an utter transformation of science’s conception of the cosmos: the general theory of relativity.

Astronomy

Using general relativity to magnify the cosmos

Astronomers have Einstein to thank for the tools that bring far-away galaxies and maybe even black hole collisions into view.

Astronomy

Einstein’s genius changed science’s perception of gravity

Einstein struggled for years to solve the puzzle of general relativity. The pieces all fell into place in November 1915.

Astronomy

First stars may lurk in our galactic neighborhood

Representatives from the first generation of stars might be hiding in our cosmic backyard, masked by interstellar pollution.

Astronomy

This weekend, lunar eclipse coincides with supermoon

On September 27, sky gazers will be treated to a rare type of total lunar eclipse.