The first interstellar object ever found provides an excellent test of the scientific process
On October 19, 2017, the first interstellar object, ‘Oumuamua, was discovered by the Pan-STARRS survey. The experience was similar to having a surprise guest for dinner show up from another country...
You should always listen to the experts—except when you shouldn’t
We should not accept our notions of reality as given, but always make them better
If they’re short-lived, we might be able to detect the relics and artifacts they left behind...
In some domains the two knowledge systems are complementary, but in others they might be headed for conflict...
Progress in science is sometimes propelled by the discovery of experimental oddities that inspire a fresh perspective on nature
Our discipline is a dialogue with nature, not a monologue, as some theorists would prefer to believe
It’s a win–win endeavor with unlimited horizons for expanding our island of knowledge into the ocean of ignorance
They’re nurtured by informal dialogues in environments where mistakes are tolerated and critical thinking is encouraged
As dark energy accelerates the expansion of the universe, civilizations will likely migrate into rich clusters of galaxies
New technologies could shed light on old philosophical questions, such as the nature of the mind and whether moral values reflect universal truth
When black holes collide, interactions between their cores might leave an imprint on the resulting gravitational waves
A civilization in the habitable zone of a dwarf star like Proxima Centauri might find it hard to get into interstellar space with conventional rockets
Their economies and their fate may depend on the abundance of gold and uranium, forged in relatively nearby neutron star mergers
Universities owe the public a fresh look at their educational and research missions
The answer may depend on exoplanet sociology
If we want to find life elsewhere, we should search for it in all of its possible forms
The latest astrophysical measurements, combined with theoretical problems, cast doubt on the long-cherished inflationary theory of the early cosmos and suggest we need new ideas
By adapting a global network of telescopes, astronomers will soon get their first look ever at the dark silhouette of a black hole