Astronomers worldwide are gearing up for a year of spectacular comet sightings in 2026. Multiple comets will be observable through binoculars and small telescopes. Some, like C/2025 R3 PanSTARRS, may ...

Stellar winds were supposed to be the straightforward conveyor belt that carried the raw ingredients of life from dying stars ...

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.

As the American Meteor Society notes, Quadrantids has a short but active peak, lasting around 6 hours. The peak is expected ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

"As Santa flies through the skies, satellites track his position by detecting Rudolph's nose, which gives off an infrared signature similar to that of a missile." ...

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Rocket Lab launched its 21st and final mission of the year over the weekend, sending a private Japanese Earth-observing ...

A study using NASA’s TESS data finds that aging Sun-like stars lose close-orbit planets as they evolve, offering insight into the long-term fate of planetary systems ...

New details show how a SpaceX Starship explosion forced passenger planes into fuel emergencies, raising questions about how aviation and spaceflight safety are managed as launches multiply.

Spirit caught another break when its pilots and flight attendants voted to take a pay cut, subject to bankruptcy court ...