1–20 of 343 results
radar map of Titan's north pole

Astrobiology

Winds and Tides Drive Sea Waves on Titan

Sunlight glittering off rough patches of sea on Saturn’s largest moon indicates ever-changing waves.

black hole binary in AGN disk

Black Holes

Black Hole Collision May Have Caused Burst of Light

Astronomers think they’ve detected a flash created by the merger of two black holes.

visualization of GW190814 gravitational-wave event

Black Holes

Gravitational Wave Detectors Find Mystery “Mass Gap” Object

Astronomers have caught a black hole colliding with a mysterious companion that might be either one of the most massive neutron stars or the smallest black hole ever detected.

supermassive black hole with accretion disk

The Black Hole Files with Camille Carlisle

Black Holes Grow by Gas, Not Mergers, Most of Their Lives

Calculations suggest how black holes have amassed mass and predict what the black holes’ spins should be if this picture is correct.

composite image of Ryugu's rubbly surface

Spacecraft and Space Missions

Ryugu May Have Skirted Close to the Sun

Observations by the Japanese Hayabusa 2 spacecraft show subtle color differences, indicating something has reddened the asteroid’s surface.

illustration of triple system HR 6819

The Black Hole Files with Camille Carlisle

Closest Black Hole to Earth? Maybe

An international team of astronomers says that they’ve discovered the closest black hole to Earth — an invisible object dancing with two large, bright stars 1,000 light-years away.

Illustration of black hole merger

The Black Hole Files with Camille Carlisle

Mismatched Black Holes Merge

For the first time, the LIGO and Virgo gravitational-wave detectors have "heard" gravitational waves from an unequal pair of black holes.

star draws rosette around black hole

The Black Hole Files with Camille Carlisle

Black Hole Changes Star’s Orbit in Gravity Test

A long-awaited measurement indicates that a star whizzing around the Milky Way’s supermassive black hole has changed its trajectory.

series of zooms on 3C 279's jet

The Black Hole Files with Camille Carlisle

Event Horizon Telescope Finds Bent Jet Near Black Hole

Observations from the worldwide network of radio telescopes show the fire hose of plasma shooting from a distant galaxy does something strange near its source.

illustration of habitability like a cocktail recipe

People, Places, and Events

Astronomers Make It Rain, Search for Gin and Vampires

As is customary on the first day of April, scientists posted research that breaks out of the box peer-review normally keeps it in.

The Black Hole Files with Camille Carlisle

Scientists Predict Countless Rings of Light Encircle Black Holes

Detailed calculations reveal a surprise about how black holes bend light around themselves, opening a new possibility for future observations.

Insight lander on Mars

Spacecraft and Space Missions

NASA’s Insight Detects Many Marsquakes on the Red Planet

Persistent tremors on Mars suggest the planet’s interior is cooling and hint that there might be a pocket of magma beneath the surface.

Milky Way

Nearby Stellar Nurseries Ride a Giant Wave

Astronomers have found a gigantic, undulating wave of stellar nurseries in our galaxy, just outside the Sun’s orbit in the spiral disk.

Globular cluster NGC 4147

Solar System

60-Second Astro News: Planets in Tight Quarters & Kuiper Belt Forays

Astronomers have calculated the loss of planets around stars in globular clusters, and New Horizons returns observations of worlds in the outer solar system.

Milky Way

Baby Stars Found in Ancient Part of Our Galaxy

Ground- and space-based observations have revealed a group of stars at the head of the giant stream of gas burrowing its way through the Milky Way.

Dwarf Galaxy

Galaxies

More Big Black Holes Found in Small Galaxies

In the quest to discover how massive black holes form, astronomers have spotted several of these objects in some of the smallest galaxies yet found to host them.

bennu activity

Solar System

Asteroid Bennu’s Activity Still a Mystery

The near-Earth asteroid constantly shoots out rocks, leaving planetary scientists perplexed.

Milky Way

Bubbles, Heated Clouds Point to Active Past for Galactic Center

Two studies support the suspicion that our galaxy’s black hole had one or more outbursts a few million years ago.

Illustration of black hole merger

The Black Hole Files with Camille Carlisle

More Black Hole Mergers Found in LIGO Data

Analysis by an independent team has ferreted out seven candidates for gravitational-wave events from merging black holes.

The Black Hole Files with Camille Carlisle

Video: Black Hole Warps Light

The hypnotizing effect of a black hole on its surroundings appears to dramatic effect in this simulation.

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