We live in a golden age for space exploration. Scientists are gathering massive amounts of new information and scientific evidence at a record pace. Yet the age-old question remains unanswered: are w ...

Their research reveals which Earthly 'technosignatures' would be easiest to detect from a planet across the galaxy.

A research team led by Dr. Sofia Sheikh of the SETI Institute, in collaboration with the Characterizing Atmospheric ...

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

ANDES stands for ArmazoNes high Dispersion Echelle Spectrograph. AndES is a high-resolution instrument that can search for ...

In short, there are now enough nukes on Earth to destroy any number of planets and, though one hasn’t been used in so many decades, don’t count on us when it comes to not, sooner or later, using some ...

There may be something about Earth’s remote places that root many of humanity’s greatest achievements in space. John Glenn ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...