Paul Sutter

Physicists have created a system of two connected time crystals, which are strange quantum systems that are stuck in an endless loop to which the normal laws of thermodynamics do not apply.

If aliens exist, they do exist, they might be hanging out on Dyson spheres circling the husks of sunlike stars called white dwarfs.

It sounds like the premise of a bad sci-fi movie: There's some mysterious entity, beyond the boundaries of our galaxy, that is pushing against us with incredible force.

Humans aren't just making Earth warmer, they are making the climate chaotic, a stark new study suggests.

Explaining the source of sunspots is a pretty tough nut to crack.

Harness renewable energy to explore the cosmos or risk planetary doom, new physics study argues.

What goes for moving clocks goes for everything else; physics, chemistry and biology all operate at a slower pace in moving frames of reference.

The inflationary epoch that caused our universe to rapidly expand in its earliest moments may be connected to the modern era of dark energy.

A massive jet launched from our galaxy's supermassive black hole may have destroyed any red giant stars that wandered into its path, a new study suggests.

The current definition of habitable zone only examines the amount of sunlight reaching a planet. It may be time to question that definition.

Over the decades, the Big Bang theory has taken on some pretty heavy challengers. Let's explore those alternatives and why they didn't work.

Did the graviton, the quantum mechanical force carrier of gravity, flood the cosmos with dark matter before normal matter even had a chance to get started?

It may be possible to build a real, traversable wormhole, but only if our universe has extra dimensions, a team of physicists has found.

A mirror universe that runs backward in time sprouted up before the Big Bang.

The fine-structure constant is a seemingly random number with no units or dimensions, which has cropped up in so many places in physics, and seems to control one of the most fundamental interactions in the universe.

Our sun's death is a long way off — about 4.5 billion years, give or take — but someday it's going to happen, and what then for our solar system?

The detection of interstellar objects in the solar system has raised an interesting question: How much of the solar system is made of foreign material?

Ceres is the most dominant member of the asteroid belt but it doesn't look like the other asteroids.

A seemingly intractable black hole paradox first proposed by physicist Stephen Hawking could finally be resolved — by wormholes through space-time.

The origins of the Lagrange points are sunk deep within one of the most difficult problems faced by mathematicians and physicists over the past 400 years: the three-body problem.

If you've ever been stuck in a nightmare traffic jam, you know that "black hole from which you can never escape" captures the feeling well.

Globular clusters are like astronomical coelacanths — mysterious living fossils. These densely packed collections of ancient stars may hold the ultimate secrets to the formation of galaxies.

A recent study has found that the hazards posed by large impactors far outweighed their benefits for life on Earth.

Scientists used a 200-ton "neutrino scale" to measure the elusive particles.