The deaths came as the Trump administration ramped up immigration enforcement, detaining a record number of people ...

Scientists baffled as 3I/ATLAS displays sun-locked jet with odds of natural alignment near zero As the winter solstice approaches, Earth is preparing for a brush with a high-speed traveller from the ...

As the winter solstice approaches, Earth is preparing for a brush with a high-speed traveller from the furthest reaches of the cosmos. On Friday, 19 December, a gargantuan space object that has ...

As the comet heads toward its closest pass by Earth, a team led by NASA astrochemist Martin Cordiner used the Atacama Large Millimeter Array (ALMA) in Chile to study the gases streaming off its ...

This may be the best time to see this celestial visitor before it is gone forever. Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return. One ...

The interstellar object 3I/ATLAS, captured by the James Webb Space Telescope. Imagine an object sailing through the black void, a piece of cosmic shrapnel that was formed in a star system light years ...

Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return.

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most ...