The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

A team of researchers has outlined how a new "direct fusion drive" propulsion system could allow us to reach Sedna this ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

Thanks to ALMA’s powerful precision, scientists have now confirmed that comet C/2014 UN271 holds the title of the largest ...

If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, ...

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...