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Updated: 2 hours 22 min ago
Astronomers discover 15 new giant radio galaxies — the largest single objects in the universe
A new batch of 15 Giant Radio Galaxies, the largest of which is 12.4 light-years wide, could help reveal how black holes and galactic mergers help the universe's largest single objects grow so large.
Categories: Astronomy
12-mile-tall volcano on Mars punches through clouds | Space photo of the day for June 10, 2025
NASA's 2001 Mars Odyssey orbiter captures one of the Red Planet's biggest volcanoes peeking over clouds at dawn.
Categories: Astronomy
Golden Dome: An aerospace engineer explains the proposed US-wide missile defense system
In May 2025, President Donald Trump announced a plan to build a missile defense system, called the Golden Dome. How exactly does it work?
Categories: Astronomy
There's an infinite amount of energy locked in the vacuum of space-time. Could we ever use it?
Unfortunately, any work you do in the universe will have to be done the old-fashioned way.
Categories: Astronomy
