The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

In a remarkable display of cosmic exploration, NASA's Hubble Space Telescope has revisited the interstellar comet 3I/ATLAS, providing fresh insights into this celestial wanderer. Observed on November ...

A study of the interstellar comet 3I/ATLAS reveals surprising characteristics: traveling at 57 km/s, it challenges ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, the universe might be slowing down, challenging the long-held belief of a ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

Welcome to the latest astronomy space news for December 1, 2025! This month, we’re looking at how galaxies grow, what the ...

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...