NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The ...

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The daring salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by pushing signals below detection thresholds.

Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth? Show more Humans have long gazed up at the ...

However, despite the theories, a fresh radio search has turned up no sign that the object, now named 3I/ATLAS, is emitting ...