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Explosive 'devil comet' 12P will soon be at its brightest and best. Here's how to see it before it disappears.
By Jamie Carter published
The explosive green 'devil comet' 12P/ Pons-Brooks is about to reach its closest point to the sun. Here's how to see the rare visitor at its best and brightest.
7 strange things observed during the April 8 solar eclipse: From shifting time signals to puzzling plasma plumes
By Harry Baker published
During the recent total solar eclipse on April 8, scientists and other observers spotted some strange things in the sky and on the ground. Here are some of our favorites.
Pluto's huge white 'heart' has a surprisingly violent origin, new study suggests
By Stephanie Pappas published
Tombaugh Regio — the large, pale heart that dominates Pluto's terrain — is made of nitrogen ice that accumulated after a huge, slow-motion impact, new research suggests.
Most massive stellar black hole in the Milky Way discovered 'extremely close' to Earth
By Ben Turner published
Astronomers found the most massive stellar-mass black hole in the galaxy after spotting a star "wobbling" nearby. The baby monster is the 2nd-closest black hole to Earth ever detected.
2,000-foot-wide 'potentially hazardous' asteroid has just made its closest approach to Earth — and you can see it with a telescope
By Harry Baker published
The 2,000-foot-wide asteroid 2013 NK4 just made its closest approach to Earth in recorded history, sailing by at about eight lunar distances. You can still see the massive rock with a backyard telescope.
Top total solar eclipses to look out for over the next decade
By Jamie Carter published
Want to experience totality again? Here are the next seven total solar eclipses across the world, from Alaska to Australia.
What happened when the moon 'turned itself inside out' billions of years ago?
By Robert Lea published
"For the first time, we have physical evidence showing us what was happening in the moon's interior during this critical stage of its evolution, and that's really exciting."
Gravitational waves reveal 1st-of-its-kind merger between neutron star and mystery object
By Sharmila Kuthunur published
Ripples in space-time point to the merger of a neutron star with another mystery object. The object, which falls right within the mass-gap range, sheds light on a long-sought, murky realm.
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