Starship Asterisk*

by Ken Croswell

A population of ancient stars around the Galactic center is the oldest known in the Milky Way, a new study finds.

Link: Science News

Mercury

by Lisa Grossman

A single doomed moon could clear up two mysteries about Saturn.

Link: Science News

Mercury

by Katherine Kornei

Our planet’s journey through the galaxy syncs up with the rhythm of long-ago crust formation.

Link: Science News

Mercury

by Lisa Grossman

Infrared cameras reveal patterns of star formation previously concealed by dust in the Cartwheel Galaxy.

Link: Science News

Mercury

by Ken Croswell

The discovery helps refine the dividing line between neutron stars and black holes.

Link: Science News

Mercury

by Lisa Grossman

The first image contains a galaxy cluster’s past and recent star birth in more remote galaxies.

Link: Science News

Mercury

by Lisa Grossman

We see the galaxy as it was just 500 million years after the big bang.

Link: Science News

Mercury

by Ken Croswell

Neutrinos hint that the Sun has more carbon and nitrogen than previously thought.

Link: Science News

Mercury

by Katherine Kornei

Detected by gravitational lensing, the interstellar wanderer may be a hefty neutron star instead.

Link: Science News

Mercury

by Asa Stahl

The catalog includes asteroids, galaxies, and the stuff between the stars.

Link: Science News

Mercury

by Ken Croswell

Two small, metal-poor, star-forming galaxies just beyond the Local Group resemble the first galaxies that ever arose after the Big Bang.

Link: Proceedings of the National Academy of Sciences

Mercury

by Nikk Ogasa

Jets of gas released when hot meets cold could explain what looks like dunes on Jupiter's volcanic moon.

Link: Science News

Mercury

As main-sequence stars convert hydrogen into helium, they slowly brighten. The Sun will be about 10% more luminous in a billion years than it is now, with catastrophic consequences for the Earth. K dwarfs have less mass than the Sun and thus brighten more slowly. So they give a terrestrial planet a ...

Mercury

by Ken Croswell

Far-ultraviolet radiation from orange dwarfs could endanger planetary atmospheres.

Link: Science News

Mercury

by Allison Gasparini

A violent implosion of gas may have given birth to this planet.

Link: Science News

Mercury

by Sid Perkins

Its nucleus is 120 km (75 miles) in diameter.

Link: Science News

Mercury

Listen at: CBS Eye on the World with John Batchelor

Mercury

by Ken Croswell

Our Galaxy formed its original disk 2 billion years before its stellar halo.

Link: Science News

Starship Asterisk*

Search found 68 matches

Marsquakes Shake Up Views of the Red Planet's Deep Interior

The Black Hole-Powered Jet in M87 Is Making Stars Explode

A Brightness Gap Exposes the Inner Lives of Red Dwarf Stars

PNAS: Light Pollution is Fixable

Lithium Comes from Nova Explosions

Ambitious New Mission Seeks Origin of the Martian Moons

Planetary Scientists Plot a Return to the Nearest Ice Giant, Uranus

Astronomers Find the Protogalaxy that Spawned the Milky Way

Saturn's Ring and Tilt Came from One Missing Moon, New Theory Says

Passing through Spiral Arms May Have Created Earth's Crust

A New James Webb Image Shows Galactic Collision's Aftermath

The Most Massive Neutron Star Ever Seen Has 2.35 Solar Masses

How James Webb Space Telescope Data Has Revealed Surprises

The Most Distant Rotating Galaxy is 13.3 Billion Light-Years Away

Neutrinos Begin to Reveal the Composition of the Sun and Universe

A Celestial Loner Might Be the First Rogue Black Hole

New Gaia Data Released

Nearby Primitive Galaxies Offer Window on Early Universe

Lava and Frost May Form Mysterious Lumps on Io

Re: Goldilocks Stars Pose Problems for Their Habitable Planets

Goldilocks Stars Pose Problems for Their Habitable Planets

New Planet Renews Debate about How Giant Worlds Form

The Biggest Known Comet in the Solar System

Re: Here's the Best Timeline Yet for the Milky Way's Big Events

Here's the Best Timeline Yet for the Milky Way's Big Events