Space
‘Superpuff‘ planets are as dense as cotton candy
The puffiest planets known in our galaxy orbit a sunlike star more than 1,000 light-years from Earth.
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The puffiest planets known in our galaxy orbit a sunlike star more than 1,000 light-years from Earth.
The Artemis astronauts are safely back on Earth. But they immortalized their historic voyage to the moon in these stunning photographs.
The astronauts had a front-row view of the lunar farside and the first eclipse ever seen from the moon.
This first human trip to the moon in more than 50 years will take four astronauts farther than anyone has gone before.
Venus’ surface is hot enough to melt lead, studded with volcanoes and shrouded in clouds of corrosive acid.
This supersized lunar event occurs when a full moon or new moon coincides with the moon’s perigee — the point where it is the closest to Earth.
Two black holes merged, creating a new, bigger one. This event triggered the clearest ripples in spacetime ever observed.
Equipped with the world’s largest digital camera, this new telescope is poised to help solve some of the universe’s biggest mysteries.
Earth’s noise and light pollution can make it hard to detect signs of life on other planets. The solution? Telescopes that use the moon as a shield.
For the distant object, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical “Planet Nine.”