Expert Voices

How much energy can be created at one time without losing control?

The kind of solar eclipses usually portrayed in films are total solar eclipses — a reasonably rare event.

New research shows how a hypothetical form of dark energy might be made inside the sun and could be detected here on Earth. In fact, we may have already seen it.

The supermassive black hole in the center of our galaxy may not be a black hole at all, but rather a fluffy ball of dark matter called darkinos.

President Joe Biden is calling for a more than 60% increase in spending to fight climate change in his first federal budget, with more than $US36 billion in climate-related investments.

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.