You Searched For "interstellar comet" and got 17 results
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A new image of a mysterious object careening toward our solar system strongly suggests it's the first comet from another star system
Gennady Borisov, an amateur astronomer in Crimea, first spotted C/2019 Q4 in the sky on August 30. …
Morgan McFall-Johnsen,Dave Mo…
Second mysterious interstellar space object to fly through our solar system has an official name
Now it officially has a name — 2I/Borisov. The 2I represents that it’s the second interstellar…
NASA's Hubble space telescope just took incredible photos of a visiting comet from another star system
"New comets are always unpredictable," Max Mutchler, another member of the Hubble team, said in the…
Morgan McFall-Johnsen
A mysterious green comet is approaching Earth and could be visible to the naked eye soon. Here's how to see it.
Comet Nishimura is already visible with small telescopes. If it survives the sun, it will be visibl…
Marianne Guenot
Astronomers may have seen the first 'alien' space rock from beyond our solar system - but some have doubts
The main question is whether A/2017 U1 has an orbit that's elliptical (oval-shaped and around the s…
Dave Mosher
A weird, cigar-shaped object flew through the solar system last year. Now astronomers may know where it came from.
By comparing the historic path of 'Oumuamua against these millions of stars, the team discovered fo…
Dave Mosher
The bizarre interstellar object 'Oumuamua that flew through our solar system was almost definitely not aliens, a new study says
The limits of information gathered about the object left room for scientists to offer guesses about…
Aylin Woodward,Dave Mosher
Mysterious interstellar 'Oumuamua' object could be a solar-powered alien probe, Harvard scientists say
Instead, it had dived between Mercury and the sun and was zooming past Earth on its way out of our …
Alex Lockie
The mysterious interstellar object 'Oumuamua was a chunk of planet from another solar system, a new study says
Some astronomers think space object 'Oumuamua could have been an alien spaceship. But new research …
Aylin Woodward
Astronomers have discovered a bizarre-looking object that came from outside our solar system
Astronomers recently discovered a bizarre-looking object in our solar system that's unlike anything…
Gene Kim,Jessica Orwig
A second mysterious object from interstellar space may be about to fly through our solar system
"It's so exciting, we're basically looking away from all of our other projects right now," Olivier …
Dave Mosher,Morgan McFall-Joh…
Origin story: All comets come from the same place next to the Sun
Comets can be found flying all over the solar system, but all of them could have originated in the …
A bizarre interstellar object called 'Oumuamua continues to perplex astronomers a year after it vanished. Here's why a few scientists still wonder if it was alien.
However, Olivier Hainaut, an astronomer with the European Southern Observatory, told Business Insid…
Dave Mosher
A Harvard-led team is launching a new project to search for physical evidence of aliens and their technology
Astrophysicist Avi Loeb is leading the Galileo Project, a program that will search for signs of ext…
Aylin Woodward
How to watch tomorrow's meteor shower created by a rogue comet that could be from another solar system
To glimpse the meteors all you have to do is lie on your back and keep your eyes peeled in the dire…
Jessica Orwig
Here's What It Means When NASA Says Voyager 1 Is In Interstellar Space
The scale is in astronomical units (AU). One AU is equal to the Earth's distance from the sun - abo…
Kelly Dickerson
A rare chemical that helped DNA form may have come to Earth on comets from newborn stars, astronomers find
Astronomers had already found traces of phosphorus in data Rosetta gathered about 67P, but they had…