"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very unlikely." ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

These are the best telescope deals on Amazon Prime Day 2025, running from July 8 to 11. Amazon Prime Day is here! This year marks the first four-day event from Amazon and there will be plenty of deals ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

"I was surprised to learn that he was a blue-blooded Democrat, who had never contributed to a Republican before." ...

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

To fly a model rocket, you'll need suitable equipment. That means suitable engines, a sturdy launch pad, a launch system and ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

"Our work supports both the scientific quest to answer the question 'Are we alone?' and practical efforts to manage the ...

Find out what time the full moon rises on July 10, 2025, how to see the Buck Moon from your location, and why it looks bigger near the horizon.

SpaceX launched 28 more Starlink satellites for its low Earth orbit constellation on Tuesday (July 8).