Sixty-six million years ago, a huge asteroid famously hit the Earth, causing the extinction of dinosaurs and about half of ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun Astronomers ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season ...

Using the Atacama Large Millimeter/submillimeter Array (ALMA), scientists have discovered that the interstellar invader comet 3I/ATLAS formed in a much colder region of the Milky Way than our solar ...

Comet C/2025 R3 (PanSTARRS) continues to brighten ahead of its closest approach to Earth on April 26, and you can watch it fly between the sun and Earth through the eyes of an orbiting spacecraft this ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have formed in a place far colder and stranger than anything around our Sun. The ...

Comet 3I/ATLAS has much more "heavy" water than comets that formed in the solar system, according to a new study. Hans Anderson, Michigan News Our time with our interstellar visitor, comet 3I/ATLAS, ...

The Arctic was once home to a landmass three times the size of Antarctica. About 200 million years ago, it helped cause a cold spell that lasted for millennia and gave dinosaurs their chance to ...

The Moon 'So much magic': Artemis II shares first images from the far side of the moon, including new 'Earthset' and total eclipse in space Cosmology Largest-ever 3D map of the universe shows 47 ...