Two NASA astronauts are preparing for the first spacewalk of the year aboard the International Space Station (ISS). The ...

Astronomers have captured a groundbreaking phenomenon at the brink of a supermassive black hole located at the heart of ...

MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.

Scientists have come a step closer to understanding how collisionless shock waves—found throughout the universe—are able to ...

Scientists have come a step closer to understanding how collisionless shock waves -- found throughout the universe -- are able to accelerate particles to extreme speeds.

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." ...

The first full moon of 2025 will reach peak illumination Monday at 5:27 p.m. EST, according to NASA, rising from the eastern ...

You won't see a majestic line of planets on Jan. 25 the way people on social media are promising, but you will see four bright planets if you look up.

Plasma waves: Plasma is like a soup of charged particles, such as electrons and ions, which are extremely thin and widely ...

Even once researchers can reliably get more power out of a fusion reaction than they put in, they’ll still need to overcome ...

Hidden patterns in electric propulsion plasma beams could help ensure the success of long-term space missions.