Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

Reaching Mars is no simple feat. While the idea of sending humans to the Red Planet is gaining traction, the journey itself ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

These are known as hypervelocity stars, with some moving faster than the escape velocity of the Milky Way of around 600 kilometers (373 miles) per second. There is another star that is almost as ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

2024 — An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth and is one of the few ...

Getting sick or injured on a trip is a traveler's nightmare. Last year, medical emergency travel insurance claims reached the single highest-paid amount and most frequently claimed in over a decade.

With an infant girl nursing at her breast and a seven-year-old boy tugging at ... foraging populations that remain on the planet. We are running out of time. If we want to glean any information ...