Talking to the rest of the universe takes a whole lot of patience
Caleb Scharf, director of Columbia University’s Astrobiology Center talks about his latest book, The Zoomable Universe: An Epic Tour through Cosmic Scale, from Almost Everything to Almost Nothing, and the OSIRIS-REx space mission.
Largely forgotten today, but probably still out there
Seldom shown images from the Apollo missions still evoke powerful responses
A simple thought experiment that will shock the socks off you
Reality as we know it spans 63 orders of magnitude in scale, and now all of that is in one book
Echoing a famous experiment, the OSIRIS-REx mission treats Earth as a target of opportunity
We've got a doomsday clock, how about a set of running odds on what happens to us?
The second-closest, properly sunlike star seems to be at least as interesting as the Alpha Centauri stars
It's hardly the most pressing concern for Earth, but there might be a way to forewarn ourselves
The end of the Cassini mission is presaged by unique and extraordinary images
The mechanics of two 40-year-old spacecraft
And it's not even from Earth
Earth may get great solar eclipses, but they don't happen all the time
Astrophysical events may have a hard time sterilizing Earth-analogue worlds, based on the example of water bears. But is it this simple?
A new institute gains steam, together with a new set of ideas on matter, life and information
Planets in the outer solar system and terrestrial microbes in unexpected places
Complex life may be less resilient than microbial life by some measures, but it's not necessarily cosmically delicate
Even the Earth–sun system radiates gravitational waves, but just how powerful are they?
Our local gas giant has two more natural satellites added to its roster