81–100 of 331 results
Cygnus A in radio

The Black Hole Files with Camille Carlisle

Odd Jets Might Signal Dual Black Holes

Off-kilter, curved, and otherwise unusual beams of plasma from galaxies’ cores might track the dueling dances of two supermassive black holes.

Milky Way ancient merger

Astronomy & Observing News

Ancient Merger Wreckage in the Milky Way

Mounting evidence indicates that our galaxy smashed up another smaller galaxy roughly 10 billion years ago.

water plume on Europa

Astronomy & Observing News

Source for Europa Geysers Missing

A new look at old data suggests there’s something missing from suspected plumes on Europa: a heat source.

Jupiter, color-enhanced

Astronomy & Observing News

Jupiter’s Magnetic Field Has Weird Structure

Juno observations reveal that Jupiter’s magnetic field has a wacky plume.

Stars orbit black hole

Astronomy & Observing News

Star Swings Around Black Hole, Tests Gravity

Astronomers have seen a star’s light redden as it passed our galaxy’s central black hole, just as general relativity predicts.

tidal disruption event illustration

Black Holes

Black Hole Destroys Star and Shoots Jet

Astronomers have watched the growth of a jet fueled by a shredded star.

wormhole mouth

The Black Hole Files with Camille Carlisle

Science Fiction Wormholes Don’t Exist

Hoping for faster-than-light travel? Wormholes aren't the paths you're looking for.

G2 en route to black hole

Astronomy & Observing News

More Mystery Objects in the Galactic Center

Astronomers have discovered three more red, dusty objects near the Milky Way’s central black hole that could be merged stars.

galaxy without dark matter

Astronomy & Observing News

A Galaxy Without (Much) Dark Matter

Astronomers have found a peculiar object: a fluffy galaxy that has little to no dark matter.

Jupiter's South Pole

Astronomy & Observing News

Amazing Storms, Jet Streams on Jupiter

NASA’s Juno spacecraft has found breathtaking cyclones at Jupiter’s poles and probed how deep the planet’s jet streams go.

Robo-AO

Exoplanets

Extra Stars Might Downsize Exoplanets

Follow-up studies of candidates planetary systems found by NASA’s Kepler mission suggest that companion stars make some worlds appear smaller than they really are.

Astronomy & Observing News

Some Plants Grow Well in Martian Soil

Astrobiology students cultivated leafy greens, sweet potatoes, and even hops in simulated Martian dirt.

Astronomy & Observing News

Ringed Disks Don’t Always Mean Planets

Astronomers presenting at the winter American Astronomical Society meeting caution that the features often pointed to as evidence of growing natal planets could form on their own.

protostar cloud

Astronomy & Observing News

First Black Holes Maybe Had Supersonic Help

Gas flows in the early universe may have kept clouds from collapsing too soon, enabling them to grow into massive black hole seeds.

water in lunar regolith

Astronomy & Observing News

New Map of Water in Moon Dust

A new analysis maps out water across the lunar surface, revealing how its abundance changes with latitude.

TRAPPIST-1

Astronomy & Observing News

New Age Estimate for TRAPPIST-1

A new study suggests that the seven-planet dwarf star could be much older than the Sun.

cutaway of Sun

Astronomy & Observing News

Sun's Waves Reveal Core's Spin

Solar astronomers may have finally detected gravity waves in our star’s core, revealing that the Sun’s central region rotates about four times faster than the outer layers.

hot Jupiter WASP-121b

Astronomy & Observing News

Exoplanet Might Have Ozone-like Layer

Astronomers have potentially detected a stratosphere in the atmosphere of a hot Jupiter.

Herschel Sprint: NGC 4911

Astronomy & Observing News

Milky Way May Be Made with Swapped Gas

High-powered simulations suggest that half of the material in the Milky Way could come from other galaxies.

merging black holes

Astronomy & Observing News

LIGO Detects Third Black Hole Merger

Scientists with the gravitational-wave observatory announce another discovery, this time of a black hole merger twice as far away as previous detections.

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