Space
- 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.
- Planets
In a first, telescopes have caught a star eating a planet
A burst of light and a cloud of dust are signs that a distant star swallowed a giant planet.
- Space
James Webb telescope catches newborn stars sculpting spiral galaxies
Dark voids riddle the galaxies, revealing new details about how stars alter their environments.
- Space
Here’s why the moon must get its own time zone
But should moon time be like Earth time — or quite different? At issue: The moon’s lesser gravity will make seconds there tick faster than on Earth.
- Earth
One collision could have formed the moon and started plate tectonics
A hypothetical planet slamming into Earth 4.5 billion years ago might have set subduction into motion.
- Planets
Research on exoplanets took top award at 2023 Regeneron ISEF
Six young researchers took home the top awards, each valued at a minimum of $50,000. Hundreds more shared nearly $9 million in prizes at international event.
- Earth
Scientists Say: Altitude
Altitude is used to describe heights in geography, astronomy and math.
