Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...

Using a powerful telescope in Hawaii , the European Space Agency (ESA) has now captured the first video of 3I/ATLAS as it ...

This discovery marks the first known case of a compact planetary system with such a noticeable tilt between close planet ...

The American Astronomical Society (AAS), the SETI Institute, and the NASA Community College Network (NCCN) have teamed up to ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth — but closer to the red planet than us at a safe 150 million miles away.

WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...