Nearly 50 years after it left Earth, a small spacecraft launched to tour the outer planets is about to cross a distance marker no human-made object has ever reached. The milestone is not really about ...

The discovery could help astronomers determine whether an outer world is suitable for life.

When NASA scientists first picked up a radio signal from the Sun in August 2025, the burst looked unremarkable. Solar radio bursts are common and typically fade within hours or, at most, a few days.

A record-breaking fast radio burst travelled for more than 11 billion years to reach Earth. Scientists traced it to a ...

Roberts Creek, British Columbia, Canada. Amateur astronomer Scott Tilley began his nightly sky observation with his home ...

Astronomers say they have have detected a radio emission from Beta Pictoris b, an exoplanet 63 light-years from Earth, according to new research.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A brief but extremely powerful radio signal thought to have coming from ...

So, has the long-dead satellite has suddenly sprung back to life after nearly 6 decades? Astronomers say that's unlikely. The team of astronomers discovered the strange signal while hunting for bright ...

An experiment to bounce a radio signal off an asteroid on Dec. 27 will serve as a test for probing a larger asteroid that in 2029 will pass closer to Earth than the many geostationary satellites that ...