Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Donald Trump's second inauguration is on - wait for it - MLK Day. One of these Americans offers inspiration, and a roadmap ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

For Panama Canal visitors, here’s a guide to experiencing and understanding the mega engineering project that captivates the ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4 percent agreement, and 58.2 ...

Miss America Abbie Stockard spoke out on Anne Jakrajutatip's controversial comments that the Miss Universe pageant didn't ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls. Astronomers have discovered a rare ...

In a nutshell Astronomers studying the nearby Coma galaxy cluster have found new evidence that the universe is expanding ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.