7 Alien Earths; May Be Swapping Life via Meteorites
Tiny life-forms can move easily between these recently described planets, according to a study of the travel times between worlds.
A 3D journey through the Orion Nebula | Space | EarthSky
Astronomers and visualization specialists at NASA have just released this unprecedented, 3-dimensional, fly-through view of the Orion Nebula, a nearby star
After Cassini’s End at Saturn, Outer Planets Exploration Shifts to Jupiter
NASA and the European Space Agency may soon launch new missions to the solar system’s largest planet
ALMA telescope spies a supermassive black hole's spinning disk
For decades, astronomers have spoken of galaxies with supermassive black holes at their cores. Now they say they’ve clearly confirmed one such hole’s encircling, dusty, spinning disk of gas.
Asteroid 2017 VR12 will sweep close tonight
2017 VR12 will pass 3.76 times the moon’s distance during the night of March 6-7. Here are some images and video of the asteroid, plus … how to watch online.
Asteroid close encounter on April 2
The near-Earth asteroid 2017 FU102 has a very close, but safe, encounter with Earth on April 2, 2017, sweeping to within just over half the moon’s distance.
China's Tiangong-1 due for uncontrolled re-entry, soon
The current estimated window for Tiangong 1’s re-entry is approximately March 29, 2018 to April 9, 2018. “This is highly variable,” according to ESA.
Circumpolar stars never rise or set
Circumpolar stars always reside above the horizon, and for that reason, never rise or set. All the stars at the Earth’s North and South Poles are circumpolar. Meanwhile, no star is circumpolar at the equator.
Comet NEOWISE closest to Earth on July 23 | Space | EarthSky
HI ALL!!!!! This is a bit of a long shot. I haven’t seen it yet but I know it’s right close to visibility. I don’t think you’ll see a tail and all sorts of exciting stuff but it WILL be visible to the naked eye and the very idea of it is rare and…
Happy 30th Birthday, Supernova 1987A – Sky & Telescope
The brightest supernova since the invention of the telescope erupted 30 years ago. The remnant of the supernova explosion continues expanding.