A rare visitor from another star system has been spotted. It's the interstellar comet 3I/ATLAS, and it was detected on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system. The European Southern Observatory (ESO) has captured the clearest ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon on Friday morning before dawn. Just so you know, some of the graphics used ...

A newly captured image has provided an unprecedented view of the third interstellar object to pass through our solar system, sparking excitement in the astronomical community. The object, identified ...

Now, in a new yet-to-be-peer-reviewed paper, an international team of astronomers analyzed data collected by the European ...

IMAP mission will explore our solar system's protective heliosphere and will also help us develop a better understanding of ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." Astronomers have discovered a massive new solar system body located ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...