Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

The James Webb Space Telescope captured asteroid 10199 Chariklo occult the star Gaia DR3 6873519665992128512. It was the ...

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Is interstellar object 3I/ATLAS an alien probe or a natural comet? Explore the compelling scientific evidence, from its tail ...

Tiny crystals in Earth’s crust may have recorded meteorite and comet impacts as our planet traveled through the spiral arms ...

My son is overseeing preparations at the National Cathedral in Washington, D.C., for the funeral of anthropologist Jane ...

If you’ve ever wanted to know what you’re actually looking at, or just wanted to find cool things like the International ...

Scientists at Johns Hopkins may be closing in on dark matter’s elusive trail, uncovering a mysterious gamma ray glow at the ...

Using supercomputer simulations, a team of researchers investigated a mysterious source of gamma light coming from the Milky ...

The giant elliptical galaxy Messier 87 (M87), in the constellation Virgo, possesses near its center a supermassive black hole ...