Mercury, the innermost planet of our solar system, has always been a world of extremes,scorching days, freezing nights, and an airless, cratered surface. Though visited by spacecraft early on, much of ...

NASA has detected a mysterious signal coming from a distant super-Earth called TOI-1846 b, a planet nearly twice Earth's size ...

NASA confirms the existence of TOI‑1846 b, a nearby hot super-Earth that could contain water, initially observed by NASA's ...

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Renters do not receive tax advantages equivalent to those available to homeowners. Homeowners, if they itemize, can deduct ...

The folks at the National Weather Service in Alaska were nervous. They were kind of caught between a rock and a hard place. Their instruments, data and computer forecast showed that a heat advisory ...

Mercury is the smallest planet in the Solar System and also the closest planet to the Sun. Mercury orbits the Sun at an ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Imagine waking up one morning to find that Earth’s atmosphere has vanished—gone, as if erased by an invisible hand. Suddenly, ...

Temperatures of up to 34C are forecast today, with the country's hottest spots expected in the Midlands and south Wales.

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.

The Universe’s most abundant ice isn’t formless—it’s secretly laced with crystals. And that might change how we think about ...