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Big discovery! NASA’s Spitzer Space Telescope has revealed 7 Earth-sized planets orbiting a tiny star only 40 light-years away. Three of them are firmly in the habitable zone.
The newly discovered exoplanets orbiting this nearby star are likely to be bathed in high-energy ultraviolet radiation. What would life be like there? An expert explains.
In one second, this distant pulsar – the spinning remains of a once-massive star – emits the same amount of energy as that released by our sun in 3.5 years.
There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists!
On February 20, 1962, John Glenn became the 1st American to orbit Earth and the first American space hero.
SpaceX is scheduled to launch its Dragon spacecraft resupply mission to the International Space Station no earlier than 10:01 a.m. EST (1501 UTC) on Saturday, February 18. How to watch.
It’s hard to comprehend the sheer size of objects in space, but take 2 minutes and give it a try!
Will comet 73P/Schwassmann-Wachmann survive its March 16 sweep near the sun, or disintegrate into a trail of cosmic dust?
During Friday’s penumbral eclipse of the moon, an observer in Puerto Rico captured images of a black disk moving across the moon’s face.
Theoretical studies predict 100 million to 1 billion black holes in our Milky Way galaxy. So far, astronomers have found about 60. A serendipitous discovery could lead to finding more.
A mysterious star called Epsilon Aurigae
Perfect airplane glory