Space & Astrophysics
Hidden dwarf galaxies revealed in first images of the “cosmic web”
Not only does this give us a look at the scaffolding of the universe, we found some new galaxies too!
Less-advanced alien civilizations may be nearby — but we’re not looking for them
Humans are more likely to have "first contact" with an advanced alien civilization, according to a recent NASA-funded paper.
NASA’s Perseverance records first-ever sounds of rover driving on Mars
Sound waves behave quite differently on Mars than on Earth.
Unknown bacteria found living on the International Space Station
The discovery could help astronauts find better ways to grow food in space.
Got a question for Michelle Thaller? Ask it here!
NASA astronomer Michelle Thaller is coming back to Big Think's studio soon to answer YOUR questions! Here's all you need to know to submit your science-related inquiries.
Dyson spheres: The key to resurrection and immortality?
Creating an afterlife—or a simulation of one—would take vast amounts of energy. Some scientists think the best way to capture that energy is by building megastructures around stars.
The universe is expanding faster than estimated, finds new study
The controversy over the universe's expansion rate continues with a new, faster estimate.
Meteorite older than Earth likely came from a “protoplanet”
The rock, found in the Sahara, likely comes from a long-lost baby protoplanet.
Massive ‘space hurricane’ made of plasma rained electrons over North Pole
This storm rained electrons, shifted energy from the sun's rays to the magnetosphere, and went unnoticed for a long time.
NASA’s Perseverance rover has a 1997 computer chip brain. Here’s why.
It may be old tech, but it's super-reliable.
Physicist creates AI algorithm that may prove reality is a simulation
A physicist creates an AI algorithm that predicts natural events and may prove the simulation hypothesis.
Scientists grow extremophile microbes on rocks from Mars
The results could help NASA's Perseverance rover find evidence of ancient life on Mars.
Astrophysicists find rare star spinning backwards
A unique star system where exoplanets orbit their star backwards located by researchers.
Astronomers detect signs of “galactic cannibalism”
One galaxy may have eaten one of its slightly smaller, more primitive neighbors.
UAE Hope Probe has transmitted its first image of Mars
The UAE is the first Arab nation to send a spacecraft to the Red Planet.
Astronomers figure out why some galaxies are missing dark matter
A new study found the possible reason why some dwarf galaxies appear to not have dark matter.
One billion galaxies: Astronomers unveil largest sky map ever made
Scientists with the the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys spent six years creating a detailed map of more than 1 billion galaxies.
Could a human enter a black hole to study it?
Get the answer from two physicists who study black holes (albeit from a safe distance).
Video: Here’s what it’s like to orbit the moon in real time
Artist Seán Doran recently created more than eight hours of high-definition video using images captured by Japan's SELENE lunar orbiter.
NASA will pay $500,000 for your innovative ideas about food production in space
Introducing the Deep Space Food Challenge.
New radar tech takes unbelievably detailed moon images from Earth
Radar astronomy is nothing new, but a new transmitter may give us unprecedented image resolution.
Scientists observe strange behavior in universe’s strongest magnets
Researchers discover strange behavior in magnetars, ultra-powerful magnetic stars.
Was ‘Oumuamua a rock or an alien scout? Harvard astronomer talks controversial hypothesis in new book
Ari Loeb, who suggested in 2018 that the mysterious object was an alien craft, is back to discuss the evidence.
NASA’s Perseverance rover lands on Mars in 18 days
The space agency describes the process of landing rovers on Mars as "seven minutes of terror."
Mars had up to 20 separate ice ages, discover scientists
A new study analyzed Martian glaciers to discover that the planet had numerous ice ages.
Extreme black holes may have “hair,” find scientists
Researchers discover black holes that violate the uniqueness theorem and have "gravitational hair."
A technique to sift out the universe’s first gravitational waves
Identifying primordial ripples would be key to understanding the conditions of the early universe.
Dark energy: The apocalyptic wild card of the universe
Dr. Katie Mack explains what dark energy is and two ways it could one day destroy the universe.
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Astrophysicists find unique “hot Jupiter” planet without clouds
A unique exoplanet without clouds or haze was found by astrophysicists from Harvard and Smithsonian.
NASA is destroying this iconic launcher platform (and no one wants the parts)
NASA is scrapping its Apollo-era launcher platform to make room for new infrastructure that will support upcoming Artemis missions.