Astronomy
- Space
With 20 new moons, Saturn now has the most of any solar system planet
The discovery brings Saturn’s moon tally to 82. The previous record-holder, Jupiter, has 79.
- Physics
Physics Nobel awarded for discoveries about the universe’s evolution and exoplanets
Three scientists share the 2019 Nobel Prize in physics for revealing what makes up our cosmos and for finding the first planet orbiting a sunlike star.
- Space
Why just being in the habitable zone doesn’t make exoplanets livable
A reignited debate over whether a new planet is habitable highlights the difficult science of seeking alien life.
- Space
A new image reveals the structure of the cosmic web
Newly spotted tendrils of gas within a forming cluster of galaxies support scientists’ theory of the cosmos.
- Space
NASA’s new black hole visualizations showcase how gravity warps light
Images from computer simulations highlight how the extreme gravity of a black hole tampers with light rays emanating from its accretion disk to create weird patterns.
- Space
This fast radio burst shined a light on a galaxy’s mysterious gas halo
A lucky alignment let astronomers probe one galaxy’s diffuse gas using a brief, bright blast from a more distant galaxy.
- Astronomy
How an astrophysicist chased a star from the Halo games to real life
Julián Alvarado Gómez has devoted his career to a star called Iota Horologii. His former life as a Halo video gamer helps fuel that devotion.
- Space
The Milky Way’s supermassive black hole reached record brightness this year
The big black hole at the center of the galaxy recently flared twice as bright as ever seen before in near-infrared wavelengths.
- Astronomy
This may be the first known exoplanet with rain and clouds of water droplets
For the first time, astronomers have detected water vapor and possibly signs of clouds and even rain in the air of a potentially habitable exoplanet.
- Astronomy
Giant radio bubbles spew from near the Milky Way’s central black hole
New structures found at the heart of our galaxy join other bubbles, chimneys and filaments that hint at a turbulent past.
- Space
Einstein’s general relativity reveals new features of a pulsar
Measurements that rely on the physicist’s theory of gravity are letting astronomers view a pulsar in ‘a whole new way.’
- Science & Society
‘End Times’ explores the catastrophic events that could kill us all
A new book looks at the threats that could wipe out humankind and what can be done to counteract them.
