The sun is in a spirited mood as it kicks out a glowing series of solar flares, including a fresh X9 that's the most intense ...

Two strong solar flares in the space of 48 hours will bring stunning auroras to northern states and the Midwest over the next ...

And something like that must be what happened in the solar system, too. NEIL deGRASSE TYSON: What started as a giant ball of debris floating in space turned into Earth, but four and a half billion ...

A comet that has not been seen for more than 80,000 years is expected to be visible from Earth, potentially during two separate time periods in the next month.

The discovery of an Earth-sized planet orbiting a white dwarf shows a possible future for Earth billions of years from now.

Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core — a solid ball of iron and nickel ... protecting us from harmful solar radiation. This magnetic field ...

What are some skywatching highlights in October 2024? A potentially bright comet (C/2023 A3) to look for after mid-month, ...

Rather than carry many instruments with a vast array of purposes, CubeSats focus on a single, specific scientific goal.

NASA astronaut Matthew Dominick filmed Comet Tsuchinshan-ATLAS (Comet C/2023 A3) from the International Space Station as the ...

Carbon dioxide (CO2) has been present in the atmosphere since the Earth condensed from a ball of hot gases following ... though measurements of the solar output show this effect to be small ...

A collection of down-to-Earth facts about our planet and its place in the solar system ... We know the Earth is round, like a ball. But only 50 years ago, such pictures weren't possible.

Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core — a solid ball of iron and nickel that ...