Astronomy
- Space
A new map reveals radio waves from tens of thousands of galaxies
Radio waves from about 17,000 galaxies show that the peak of star formation, about 10 billion years ago, might have been more productive than predicted.
- Space
How 2019’s space missions explored distant worlds
Planets and asteroids and Arrokoth, oh my. Space probes had a busy year.
- Space
50 years ago, scientists didn’t know where heavy elements came from
Five decades ago, scientists suspected ordinary supernovas created heavy elements. Now we know they don’t, but merging neutron stars do.
- Space
A new mission to investigate exoplanets has rocketed into space
The European Space Agency’s CHEOPS satellite has launched on a mission to gather intel on previously discovered planets outside of the solar system.
- Science & Society
These science claims from 2019 could be big deals — if true
Some of this year’s most tantalizing scientific finds aren’t yet ready for a “best of” list.
- Space
2019 brought us the first image of a black hole. A movie may be next
The Event Horizon Telescope team is gearing up for more black hole discoveries.
- Space
NASA’s Parker probe has spotted the Geminid meteor showers’ source
For the first time, we’ve spotted the trail of space debris responsible for the Geminid meteor shower.
- Space
NASA’s Parker probe reveals the sun’s rogue plasma waves and magnetic islands
Scientists have analyzed the Parker probe’s first data, giving a peek at what’s to come as the craft moves closer to the sun over the next few years.
- Space
How brightly the moon glows is a mystery, but maybe not for long
The best estimates for the moon’s brightness are still somewhat unsure. A new experiment is trying to fix that.
- Space
A newfound black hole in the Milky Way is weirdly heavy
A dark mass about 68 times as massive as the sun is locked in orbit with a star in our galaxy. Theory says that such black holes shouldn’t get so big.
- Astronomy
19 more galaxies mysteriously missing dark matter have been found
The finding reveals a population of dwarf galaxies that defy common wisdom about how these star systems form and evolve.
- Space
How two gamma-ray bursts created record-breaking high-energy photons
Light packing up to 1 trillion electron volts of energy bolsters a theory for how these cosmic explosions produce such high-energy radiation.
