Space
- Space
New telescope images may unveil stars fueled by dark matter
Three objects from the early universe could be hypothesized “dark stars,” researchers claim. But other scientists remain unconvinced.
- Tech
Could Star Trek replicators exist?
Experts break down what’s possible and what’s not for this classic science-fiction invention.
- Space
Weird black holes may reveal secrets of the early universe
Emerging evidence points to the existence of rogue black holes and other cosmic oddities — such as big black holes in tiny galaxies.
- Space
Experiment: A puzzling parallax helps stargazers
In this project, we explore how perspective, or parallax, can be used to measure the distances to objects such as stars.
- Physics
Scientists Say: Radio Waves
Lightning, stars, supermassive black holes and more give off radio waves.
- Space
Ghost particles paint a new picture of the Milky Way
Scientists tracked neutrinos from space to create a new map of our galaxy. It’s the first image of the Milky Way to be made without light.
- Space
Newfound gravitational waves may be from the biggest black holes in the universe
Observations of dead stars hint that ripples in spacetime — ripples light-years long — roll through our universe.
- Space
Scientists Say: Pulsar
These rapidly spinning dead stars send beams of radio waves into space like cosmic lighthouses.
- Health & Medicine
Swollen chambers in astronauts’ brains may take 3 years to recover
How long astronauts spend in space and the time since their last mission affects how much fluid-filled chambers in their brains expand while in space.
- Space
Lightning dances through Jupiter’s skies much like it does on Earth
Data from NASA’s Juno spacecraft hint that Jupiter’s lightning extends in jagged steps as it does on Earth.
- Space
This astronaut took a winding journey into space
Astronaut Kjell Lindgren has flown into space twice and performed more than 100 scientific experiments. He is now part of the crew planning a return to the moon.
- Space
Fairy tale inspiration could help rovers explore risky places
Taking a cue from Hansel and Gretel, scientists propose a way for rovers to send back data from treacherous terrain.
