How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Tissue samples sent to the International Space Station reveal what can happen to astronauts on long-term missions.

The mementoes — a set of more than 50 pieces called the Sally Ride Estate Collection — sold for a total of $145,666, ...

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

Climate scientists in the United States are to be cut off from satellite data measuring the amount of sea ice — a sensitive ...

U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

Titan Books' new novelization of Stan Lee and Jack Kirby's 'Galactus Trilogy' heralds the coming of July’s 'Fantastic Four' ...

The ALMA radio telescope array in the Atacama Desert temporarily halted operations after a rare snowfall blanketed the base ...

The "Golden Handle" appears each month when the sun illuminates a mountain range lining a vast impact crater. Saturday night ...

Buried in the sweeping legislation is an $85 million provision to move NASA's most-flown spacecraft from the national ...

The total solar eclipse on Aug. 12, 2026, will offer some fabulous travel options. Here are some adventures to consider.