Expert Voices

Space is big — really big. And if you want to successfully navigate the interstellar depths of our galaxy, you're going to need some sort of reliable system.

Many theories of the early universe predict that the cosmos should be flooded with cracks in space-time, called cosmic strings, but no cosmic strings have been detected yet.

If humanity ever wants to travel easily between stars, people will need to go faster than light.

Recent events serve as a timely reminder for the Biden Administration that securing the safety of space infrastructure is critical to their broader economic and national security goals.

Marketing campaigns that reclaim the night sky as an endless empty billboard would have meteoric reach. But how did we get here? And is this the right way to approach space marketing?

For the first few months of 2021, the Martian atmosphere was buzzing with new visitors from Earth.

Commander Musilova pranked the new Selene V crew with the help of a previous crew at the HI-SEAS habitat, as part of their initiation to surviving their analog lunar mission.

What's beyond the known limits? What lies outside the boundary of the universe? The answer is … well, it's complicated.

When the results of an experiment don’t match predictions made by the best theory of the day, something is off.

For years, astronomers thought that the objects responsible for short gamma-ray bursts get kicked out of their home galaxies shortly after they're born. But new observations prove otherwise.

We've all looked up at night and admired the brightly shining stars.

Artificial intelligence has been making waves in recent years, enabling us to solve problems faster than traditional computing could ever allow.

Galaxies are glittering cities, massive metropolises full of stars, dust, gas, black holes, magnetic fields, cosmic rays, dark matter and more.

Octopuses are famous for their alien-like abilities, from regrowing damaged arms to changing their skin color and texture.

Confined to the inside of the HI-SEAS habitat, the Selene III crew is starting to succumb to despair and the "dark side" when they're repeatedly not able to go on a moonwalk.

In 2017, astronomers witnessed the birth of a black hole for the first time.

Satellites provide a vital service.

Let’s start by considering a smaller version of the same question.

Our research has, for the first time, used satellite imagery to show the effects of predators on vegetation at a vast scale.