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Nobody knows for sure where black holes lead to. Shutterstock

Curious Kids: Where do black holes lead to?

The pull created by a black hole is so strong that if you get too close to one – even if you are travelling away from it at the fastest speed it is possible to go – you will never be able escape.
The existence of wormholes is not forbidden by our current theories of the universe. So we can say that they do exist in theory. Marcella Cheng/The Conversation NY-BD-CC

Curious Kids: How do wormholes work?

A wormhole is like a tunnel connecting two places in space. They would be incredibly useful and are great for science-fiction stories. The problem is we haven't found any evidence of them existing.
Russian Foreign Minister Sergey Lavrov, left, welcomes his Iranian counterpart Mohammad Javad Zarif, ahead of their meeting in Moscow on May 14, 2018. AP/Maxim Shemetov

The Iran nuclear deal could still be saved, experts say

It would be a heavy lift, but revising the Iran nuclear deal would have some significant upsides, according to scholars at the University of Maryland.
Imagined view from Kepler-10b, a planet that orbits one of the 150,000 stars that the Kepler spacecraft is monitoring. NASA/Kepler Mission/Dana Berry

Goodbye Kepler, hello TESS: Passing the baton in the search for distant planets

When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.
The ISS sees us on Earth, but look up at night and you may see it, too. NASA

Look up – it’s a satellite!

A couple thousand satellites are orbiting Earth right now. Under the right conditions, your naked eye can spot these human-made objects in the night sky.

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