NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its closest approach to Earth in December.

A new preprint paper has taken a look at what propulsion systems could deliver spacecraft to a particularly interesting area ...

NASA’s SPHEREx space telescope mission viewed 3I/ATLAS in December 2025, when researchers believed the brightening occurred due to a phenomenon associated with comets as they vent water, carbon ...

Energy is fundamentally important—researchers have linked a lack of reliable energy to poor physical health, poor mental ...

Musk's xAI was merged into SpaceX in a reported $1.25 trillion trade, with SpaceX being valued at $800 billion and xAI commanding a $250 billion valuation. The move will also be followed by a proposed ...

Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...

Researchers looking for signs of extraterrestrial life instead stumbled upon a pulsar at the center of the Milky Way galaxy.

In a meeting with employees at his company xAI, Mr. Musk revealed a vision for a facility that includes a giant catapult to launch his satellites into space.

Besiege is a physics building game about constructing mechanical machines to annihilate armies, obliterate castles and ...

AI is coming for our jobs, and now we can add "Mars Rover Driver" to that list. Last month, the Perseverance rover successfully drove not one, but two trips across the Martian sur ...

For the first time in more than half a century, NASA will soon be sending an intrepid crew of astronauts toward the Moon with ...

Europa stands out among Jupiter's moons, thanks to its remarkably smooth ice shell, which scientists believe conceals a global ocean of liquid water, perhaps twice as deep as Earth's oceans. In late ...