161–180 of 380 results
disintegrating planet or asteroid

Exoplanets

White Dwarf Eats Mini Planet?

Astronomers have detected debris around a white dwarf that might be from one or more disintegrating rocky planets.

star eaten by black hole

Black Holes

Closest Star-shredding Black Hole

The last hurrah of a star wrenched apart by a supermassive black hole tells astronomers what the stellar crumbs are doing.

Rosetta's Comet 67P

Space Missions

Rosetta’s Comet Began as Two

Comet 67P’s nucleus was born when two became one.

composition of Ceres' surface

Solar System

False-color Maps of Ceres

New maps from NASA’s Dawn spacecraft reveal more about both the landscape and composition of the largest asteroid.

Hale Crater's dark streaks

Astrobiology

Waterlogged Salts on Mars

Scientists have confirmed that water-soaked salts likely create dark seasonal lines on Mars.

galaxy NGC 1313

Black Holes

New Mid-size Black Hole

Astronomers think a bright X-ray source in the galaxy NGC 1313 is a mid-size black hole.

gas spiraling toward binary black hole

Black Holes

New Evidence for Black Hole Binary

Astronomers have confirmed that the quasar PG 1302-102 is probably a binary supermassive black hole, its members less than a tenth of a light-year apart.

solar filament from the side

Solar System

Resonant Waves Might Heat Corona

Astronomers have detected waves working together in the solar atmosphere, potentially heating the gas through turbulence.

Ceres bright spots from HAMO

Solar System

New View of Ceres’ Amazing Spots

The latest image from NASA's Dawn spacecraft reveals structure in the bright spots on the asteroid 1 Ceres.

ring galaxy ESO 179-13

Galaxies

Dwarf Bull’s-eye Galaxy Discovered

Astronomers have discovered that one galaxy of a nearby double-galaxy system has a giant, star-studded ring.

dwarf disk galaxy RGG 118

Black Holes

Teeny Supermassive Black Hole

Astronomers have identified the smallest supermassive black hole ever detected in a galaxy’s center.

cold-gas accretion simulation

Cosmology

Gigantic Protogalaxy in the Cosmic Web

Astronomers have found that a massive filament of gas in the early universe actually seems to be a humongous, galaxy-forming disk.

microlensing diagram

Exoplanets

Microlensing Exoplanet Confirmed

Astronomers have confirmed the existence of an exoplanet found via microlensing — the first time they’ve been able to successfully follow up on this method.

aurora on a dwarf

Stellar Science

Aurora on a Dwarf Star

Astronomers have detected what looks like auroral emission on an ultra-cool star.

Hayabusa 2 spacecraft

Space Missions

Put a Name on Hayabusa 2’s Asteroid

Submit names for Hayabusa 2's target asteroid, 1999 JU3. Deadline is August 31st!

Pluto's heart, July 13th

Solar System

New Horizons Buzzes Pluto

NASA’s New Horizons spacecraft whizzed by Pluto this morning just before 8 a.m. EDT at nearly 14 km/s (31,000 mph), about 12,500 km (7,750 miles) above the surface.

sinkhole on Comet 67P

Space Missions

Rosetta Spots Sinkholes on Comet

The spacecraft orbiting Comet 67P/Churyumov-Gerasimenko has found 18 holes in the nucleus's surface.

low-dust galaxies

Galaxies

Dust-poor Early Galaxies

New ALMA observations reveal low levels of dust in nine early galaxies, suggesting astronomers should revise some of their calculations.

glass on Mars

Astrobiology

The Glint of Martian Glass

Scientists have detected glass in Martian craters, created by the fierce heat of impacts that melted the Red Planet’s surface.

Ceres from orbit

Space Missions

Asteroid Tour: Fly Over Ceres

Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.

Advertisement