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

NGC 7496, a dusty barred spiral galaxy located 24 million light-years away in the constellation Grus, harbors a ravenous supermassive black hole at its core.

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

Baba Vanga's 2025 alien contact prediction resurfaces as interstellar object 3I/ATLAS approaches Earth. NASA confirms ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

NASA's silence on interstellar comet 3I/ATLAS has sparked online theories after scientists observed bizarre tail shifts and ...

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

Rumours claim China exposed NASA's hidden 3I/ATLAS data, but experts say no evidence supports the theory. Here's what really ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

Using the James Webb telescope, astronomers estimate the number of galaxies in the universe to be roughly two trillion (2,000,000,000,000). This is about 10 times as many as previously thought ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...