Gravitational assists are an emblematic example of why space travel is hard —it is exactly rocket science, after all. Gravity ...

For example, the Cassini probe to Saturn, which launched in 1997, was a huge spacecraft, ... stealing planetary orbital energy every time. A gravitational assist works the other way, too.

Inspired by superconductivity, a strange new theory that seeks to explain dark matter might explain dark energy, too ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...

The world of energy storage is undergoing a transformation, and one of the most exciting innovations is the mechanical battery. Unlike traditional batteries, which store energy chemically, mechanical ...

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

The 10-year survey is the primary mission of the Vera C. Rubin Observatory, located on a mountaintop at the edge of Chile’s ...

June is the 53rd anniversary of Title IX, which was meant to protect girls sports, yet parents and girl athletes everywhere are frustrated with what is happening now. I am very thankful to Rep.

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

But axions were pushed aside as the WIMPs hypothesis gained more steam. Back-of-the-envelope calculations showed that the ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...