Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

The post New Photo From Hubble Space Telescope Gives Best Look Yet At Interstellar Object Entering Our Solar System first on ...

Using the James Webb Space Telescope, scientists have charted billions of years of galactic evolution, and found that ...

A few days ago, an inscrutable interstellar interloper made its closest approach to Mars, where a fleet of international spacecraft seek to unravel the red planet’s ancient mysteries. Several of the ...

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

When Ann Walter looked outside her rural West Texas home, she didn't know what to make of the bulky object slowly drifting across the sky.

The mystery behind the famous 1977 “Wow!” signal has gained renewed attention after a Harvard astronomer proposed that the newly observed interstellar object 3I/ATLAS may be linked to the event. The ...

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...