Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

President Donald Trump criticized Barack Obama for his comments on aliens. Then, he said we should release more files. Joe Biden signed disclosure bill.

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

Scientists show recycled human waste can unlock nutrients in Martian dust, offering a new path for farming on Mars.