One idea being followed is to look for things that living things introduce into their environments. In the case of our world ...

In searching for life on other planets, including on planets orbiting other stars (exoplanets), we are faced with some ...

Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

This Sunday, an asteroid larger than Manhattan – large enough it could end civilization, or at least wreck a country – is ...

"This is a promising sign that there continues to be new and exciting avenues to explore tidal disruption events and use them as probes of supermassive black holes." ...