A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

How prepared are we for a solar storm, bad software update or cybersecurity event that could trigger widespread loss of ...

An asteroid large enough to level a city block flew past Earth on June 29, 2024, passing at roughly three-quarters the ...

From changing climates to disappearing insect species, experts offered a peek at the science behind phenomena in nature at ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

The question of how gravity interacts with the quantum world has long perplexed physicists, but a non-quantum theory of space ...

Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite ...

Earth’s aphelion on July 6 puts it farthest from the sun in 2026, but summer heat comes from Earth’s tilt, long days and ...

Evolution is always happening — so why can't we see it? A biologist explains the timescale problem, election pressure, and ...

The moon over America's first Independence Day was about 31 feet closer to Earth than it is today. Here's how colonists used ...