Should We Help NASA “Shoot for the Moon” Again?

by Christopher Rota figures by Hannah Zucker When the first Apollo program astronauts set foot on the Moon in 1969, their footsteps inspired a generation.  This opened a new realm of possibility for what humans can achieve with the necessary motivation and resources. Now, just over 50 years later, the National Aeronautics and Space Administration (NASA) has put the wheels in motion to lay down a fresh … Continue reading Should We Help NASA “Shoot for the Moon” Again?

Seeing with Gravity: How invisible particles can be observed in outer space

Everyone on Earth is familiar with gravity to some extent; it is the force that pulls us down to the planet’s surface. In fact, all objects with mass tug on other objects moving around them because of gravity. The strength of the gravitational pull depends on the mass of the object, and is often too weak to notice. However, for things as massive as galaxies, … Continue reading Seeing with Gravity: How invisible particles can be observed in outer space