Astronomy

Astronomy

Mysterious cosmic signals carry a clue to their origins

A burst of radio waves from another galaxy ran into a dense magnetized plasma while en route to Earth, hinting at an origin near a population of young stars.

Astronomy

Super-Earths, meet superpuffs, a lighter weight class of planet

Superpuffs are underweight, oversized planets that formed in outskirts of star systems before cuddling up close to their sun.

Astronomy

More mysterious extragalactic signals detected

Five more fast radio bursts from other galaxies have shown up and one of them is a double.

Astronomy

Cosmic rays maintain their mystery

Cosmic rays come from all over the universe, including some places we’re not so sure about.

Astronomy

Early stars found swirling in the Milky Way center

Ancient stars with low iron abundance surround the Milky Way’s center.

Astronomy

Chile telescope array spots nearby Earth-sized planet

The discovery of GJ 1132b, the nearest Earth-sized planet known beyond the solar system, could herald the era of probing the atmospheres of nearby worlds for signs of life.

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.