Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...
Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.
For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang. Using telescopes ...
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NASA's next-gen Roman Space Telescope is fully built. Could it launch earlier than expected?
The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...
Study using radio telescope data finds most geostationary satellites emit little unintended radio interference in frequencies used for astronomy ...
Rochester Institute of Technology astrophysicist Jeyhan Kartaltepe will be one of the first scientists to use NASA’s James Webb Space Telescope soon after it launches in spring 2019. The Webb ...
The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of ...
When you have been an amateur astronomer as long as I have (the sky caught my interest in 1956), you have seen a lot of celestial history. I like to think of it as having lived during the most amazing ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
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