Telescopes
The SETI Institute leads the hunt for extraterrestrials, which has entered a new phase with myriad planets to focus on.
Astrophysicists devised a new theory that may explain the formation of black holes with masses exceeding 50 times that of our own sun.
The dragon's large belly holds clues about how stars form -- and how the process stops.
An assortment of twinkling images of space, stars and spacecrafts.
Researchers calculate all the photons ever emitted by the observable universe and find an astronomical number.
As Hurricane Lane races toward Hawaii, some of the world’s most powerful telescopes prepare for wild weather.
We explore how powerful your laser needs to be to get noticed on Mars and beyond.
Scientists propose strategies to build a larger-than-ever space telescope by sending up the mirror piece by piece.
The fast-growing next-gen mobile network may threaten future radio astronomers' ability to detect signals from space.
The giant black hole is one of the biggest ever observed from this far back in time.
This past summer, thousands of scientists worked together in the first observation of a neutron star merger. Here’s how it went down.
Burying certain instruments helps astronomers and astrophysicists detect otherwise difficult-to-spot particles.