A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Women and ethnic minority groups are still significantly underrepresented in astronomy and geophysics despite attempts to ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

Scientists have proposed Earth is in the middle of a huge void in space, potentially resolving the cosmic mystery known as ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

The universe is filled with extraordinary wonders, and among the most awe-inspiring are the truly gigantic stars that dwarf our Sun in both size and power. In this 4K documentary, journey through ...

New research utilizing data from NASA's Parker Solar Probe has provided the first direct evidence of a phenomenon known as ...

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic time to 1 billion years after the Big Bang.

If gravity reversed on the sun, McCluskey said he’d be scared because it is the only thing keeping the sun together. Nuclear fusion, inside the sun, pushes outward. Without gravity, the sun would ...