One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
'It was a miracle.' Amazing tales of dead spacecraft that came back to life
Alas, the miracle could not last. The solar storms were heating Earth's upper atmosphere, causing it to inflate and increase ...
An asteroid could hit Earth in 2032, NASA says. Here's what to know about the potential "city killer."
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...
Is an Asteroid Hitting Earth in 2032? Updates on the NASA-Predicted Path
Was 2020’s ‘Don’t Look Up’ accurate? Find out what NASA revealed about an asteroid that will approach Earth in 2032.
Space on MSN2d
Comet Leonard's Tail Wiggling In NASA Satellite Footage
NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...
Space on MSN5d
5000 Comets Discovered Using Space-Based Sun Observatory
The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted ...
Space.com9d
Comet G3 (ATLAS) looks breathtaking above future home of world's largest telescope (photos)
Comet C/2024 G3 (ATLAS) seen above ESO's Paranal Observatory in Chile on Jan. 21, 2025. ESO's Very Large Telescope sits atop ...
Newsweek21d
Bright Comet's Tail Dazzles in 'Bleeding' Images from NASA Spacecraft
NASA and ESA's SOHO (Solar and Heliospheric Observatory) spacecraft snapped a video of the comet as it passed three times closer to our star than the orbit of Mercury, and ten times closer than ...
Mashable21d
NASA wants to know how much life it's venting into space
NASA astronaut Suni Williams will conduct a spacewalk next week to swab the outside of the International Space Station for microorganisms. Credit: NASA The experiment will focus on collecting ...
in.mashable21d
Rare Comet Flies Close To Sun In 'Near-Death Encounter'; It Will Return 1,60,000 Years Later
Comet C/2024 G3 (ATLAS) made its luminous passage near the Sun on January 13, coming within 13 million kilometres from the star. The Solar and Heliospheric Observatory (SOHO) operated by NASA and ESA ...