Black holes were stripped when two galaxies collided
Astronomers discovered that a supermassive black hole escaped from the galaxy, leaving behind all the stars that once turned around it.
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Astronomers discovered that a supermassive black hole escaped from the galaxy, leaving behind all the stars that once turned around it.
This week, people around the world will be able to see the Delta Aquarids meteor shower most visually on July 28 and 29.
A type of quasar called blazar is still a great mystery for scientists because of their difficult-to-explain light-emitting mechanism.
Most of these events can be observed with the naked eye or amateur optical instruments, but to be able to see the phenomenon clearly, conditions such as time, weather, a…
The only device to observe an active black hole near the Earth is a 20cm diameter telescope.
What's more interesting than welcoming 2016 with a unique astronomical phenomenon?
Scientists finally solved the mystery of a visual illusion that was first discovered by Galileo 400 years ago.
Comet ISON, the object that received the most attention from observers this year has come quite close to the Sun.
In fact, the full moon is a fast happening phenomenon. And in this December, the moon will be round, big and brightest from 5:21 am tomorrow morning (December 28).
The sky space is vast with countless interesting phenomena and beautiful views, which observers can see with the naked eye or the telescope.
Now you can watch the International Space Station (ISS) without using a telescope when it moves through your home, thanks to the new SMS service of the US Aeronautics an…
The Nymph, the only galaxy we can see with the naked eye when standing in the northern hemisphere, swells by swallowing the smaller galaxy.
The 46P / Wirtanen comet with green light will come close to the point that earth people can see clearly with the naked eye.
A comet suddenly shines in the past few weeks and is now visible to the naked eye, drawing attention from not only professionals but also amateur observers.
Astronomers in Vietnam can see Mars from today, even with the naked eye, there is no need to wait until 10am on Sunday morning (October 30, Hanoi time) when Mars is left…