The path of totality will carve an arc of darkness across the surface of our planet – at the height of the August tourist ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

NASA could one day send a fusion-powered probe to Proxima Centauri b - a potentially habitable exoplanet located just over four light years from Earth - with new research indicating the mission could ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's ...

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

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known for powerful flaring, and since they're dim and their habitable zones are ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...