Dark matter seems invisible, but it makes up most matter, and we have evidence that it gives the cosmos its shape. Now ...

The huge 1,600-mile (2,500-kilometer) wide expanse of the South Pole–Aitken Basin extends considerably onto the far side of ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

A videographer said he spotted an unusual UFO over the notorious Area 51 military base - the alleged flying object was dubbed ...

A mysterious “Dorito-shaped” aircraft was spotted soaring above the highly classified Area 51 military base in southern ...

The interstellar comet 3I/ATLAS has turned into a natural physics lab, and the Hubble Space Telescope is sitting in the front ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

When developers manipulate artificial intelligence systems to bypass ethical safeguards and generate explicit content for ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

It was never reported whether any UFOs actually checked it out over the decades it existed, but Pendarvis was quoted as ...

Friendly rivalries between Washington and Oregon include many aspects of Northwest life, from college football to urban hipsterism (best microbrew? coziest kombucha culture?) to record rainfall.