How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.

The buzz about aliens began in the summer of 1947. The US army sightings of “flying saucers” fuelled widespread speculations about visiting aliens, urging the US to launch its first highly classified ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

There are few ideas in science that capture the imagination quite like the search for extraterrestrial life. From Mars ...

NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, ...

"Milky Way season," when our galaxy's bright center is most visible, is now beginning in the Northern Hemisphere. The best time to see the Milky Way in the U.S. is generally from March to September.