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How an ancient collision with another galaxy transformed the Milky Way
By Keith Cooper Published
The Milky Way has a secret history of galaxy mergers that we are only now starting to uncover.

Scientists find dead star that predicts our sun's future: 'Broken apart and returned to the galaxy'
By Keith Cooper Published
A composite image of data from the Hubble Space Telescope, the Kitt Peak four-meter telescope and MOTHRA reveal the Helix Nebula. We can see the bow shocks, particularly on the left.

Scientists find 3 supermassive black holes on the verge of collision inside a distant galaxy
By Keith Cooper Published
A greedy galaxy that existed less than 1.3 billion years after the Big Bang is hoarding supermassive black holes.

On this day in space! Aug. 17, 1877: Asaph Hall Discovers the Martian moon Phobos
By Hanneke Weitering Published
On this day in space, Aug. 17, 1877: American astronomer Asaph Hall discovered Mars's moon Phobos.

Wildfire smoke blankets volcanoes across the Pacific Northwest | Space photo of the day for Aug. 17, 2026
By Chelsea Gohd Published
The wildfires ripping across North America have created massive plumes of smoke.

A 'river' of cosmic gas 1 trillion miles long sent planets in the Orion constellation into tilted orbits
By Keith Cooper Published
A river of gas over a trillion miles long is streaming onto a young planet-forming system and is tipping it over.

What is the moon phase today? Lunar phases 2026
By Tariq Malik, Daisy Dobrijevic Last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.

'This goes beyond showcasing technological soft power': China's new moon map signals bold space ambitions (video)
By Andrew Jones Published
New chronology, data about the moon's far side and a homegrown cartographic standard signal China's ambitions for how the solar system gets mapped.
Breaking space news, the latest updates on rocket launches, skywatching events and more!

