Especially in environments where there’s not much else to eat.
Contact with intelligent aliens would happen on their terms, not ours.
Only a tiny fraction of them may be habitable, though.
Not only could they hold subsurface life, they may spread it throughout the galaxy.
Takeaways from a German workshop on mysterious sightings in the sky.
Was the recent ISS emergency an aberration, or a warning of things to come?
A new evaluation of a nearby star system’s potentially habitable water worlds.
For better or worse, sightings of unidentifiable things in the sky have become inextricably linked to spacecraft from outer space.
Not every animal bleeds red, even on Earth.
Careful analysis of the recovery film showed it was static electricity that doomed the <i>Liberty Bell 7.</i>
Scientists aim to help the public judge: Is this discovery believable or not?
Our readers share their own adventures in the air.
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