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.
This month’s slideshow features an exotic sunrise in our solar system and a comic about exoplanets.
This month's extraterrestrial wonders include a dune-swept Martian beach, a polar view of Jupiter, and a young planetary system that seems to glare like a demonic eye.
This month's featured images include a commemorative portrait of the spacecraft Cassini and a composite image of dark matter.