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SpaceX Starlink and other satellite megaconstellations are creating an 'unregulated geoengineering experiment', scientists say
The space industry's plans to launch millions of satellites worry scientists as the rise in high-altitude air pollution threatens to alter Earth's climate.
Aurora forecast May 18 - Northern lights possible tonight as glancing solar storms approach Earth
The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.
I thought my backyard had too much light pollution for astrophotography. The Vaonis Vespera Pro proved me wrong
Surrounded by streetlights and terraced houses, I never expected to capture detailed deep-space images from my backyard until I tried the Vaonis Vespera Pro telescope.
Venus and a razor-thin moon steal the show after sunset tonight
Look west after sunset to catch Venus shining beside a delicate crescent moon in the twilight sky.
Watch an asteroid the size of a blue whale hurtle towards Earth live online TODAY
The livestream will begin at 3:45 p.m. EDT on May 18, bringing near real time views of the asteroid from robotic telescopes in Italy, weather permitting.
Watch NASA's new Mars helicopter rotor break the speed of sound (video)
NASA is testing the limits of future Mars aircraft as it works to develop a next-generation fleet of helicopters that will fly through the thin atmosphere of the Red Planet.
SpaceX Dragon capsule delivers science and supplies to space station
A SpaceX Dragon cargo spacecraft delivered 6,500 pounds of science and supplies to the International Space Station on Sunday, May 17, 2026.
On this day in space! May 17, 1974: NASA launches 1st Synchronous Meteorological satellite
On May 17, 1974, NASA launched the first Synchronous Meteorological Satellite, SMS-1.
Giant radio telescope sees Artemis 2 astronauts on Orion flying around the moon. 'There are 4 people in those pixels.'
A giant radio telescope in West Virginia tracked Artemis 2's Orion spacecraft around the moon for five days, gathering precise observations on its movements during the historic mission.
