It is the most distant and primitive object ever visited by a spacecraft from Earth: now researchers say they have fresh insights into how the ultra-red, 4bn-year-old body known as Arrokoth came to have its distinctive snowman-like shape.
Arrokoth…

It is the most distant and primitive object ever visited by a spacecraft from Earth: now researchers say they have fresh insights into how the ultra-red, 4bn-year-old body known as Arrokoth came to have its distinctive snowman-like shape.
Arrokoth…

On 14 February 2026, at the American Association for the Advancement of Science annual meeting in Phoenix, Arizona, Kelly Fast presented data on a persistent gap in planetary defense capabilities. Fast, NASA’s acting planetary defense…

Many people imagine Earth’s interior mantle as separate layers stacked on top of each other, like a layered cake, with each layer representing a plate. In reality, those internal zones are complex and often full of surprises.
Seismologists have…

Next Saturday, the 28th of February, stargazers will have the chance to spot Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune all clustered together…

February 19, 2026
3 min read
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‘Mind-blowing’ baby chick study challenges a theory of how humans evolved language
Newborn chicks connect sounds with shapes just like humans, suggesting deep evolutionary roots of the…

At a news conference on Thursday, NASA released a report of findings from the Program Investigation Team examining the Boeing CST-100 Starliner Crewed Flight Test as part of the agency’s Commercial Crew Program.
“The Boeing…
February 19, 2026
2 min read
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Cats’ cancer genes show striking similarity to humans’
Researchers sequenced the genomes of tumors from almost 500 domestic cats and found remarkable parallels with human and dog cancers

Around 95 million years ago, a Spinosaurus dinosaur with a tall, blade-like crest on its head and a large sail on its back lived in what is now Niger, a new study finds.
The newfound species, which the researchers have named Spinosaurus…

February 19, 2026
3 min read
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Our solar system is surrounded by weird peanut-shaped objects. Astronomers think they know why
A study published today helps explain how “planetesimals”—the building blocks of…