About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Astronomers studying the interstellar object known as 3I/ATLAS say new observations from the Gemini North Telescope in Hawaii have revealed a striking chemical transformation as the comet exits the ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Astronomers scanned the interstellar object 3I/ATLAS for alien signals using the Green Bank Telescope, but found none. The object behaves like a normal comet, made of ice, dust and rock, yet studying ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

A rare interstellar comet will make its closest approach to Earth this week, offering scientists an unprecedented opportunity to study material from outside our solar system. For astronomers, ...