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Astronomers spot exiled asteroid in outer reaches of solar system

This object was likely born in the Asteroid Belt between Mars and Jupiter, then flung billions of miles to the Kuiper Belt on the edge of the solar system.

TESS planet-hunter snaps 1st test image, swings by moon

How many unseen worlds orbit these stars? The TESS planet-hunter is designed to find nearby exoplanets, between 30 and 300 light-years away.

Wall-E and Eva set record, snag pic

The 1st-ever interplanetary CubeSats – nicknamed Wall-E and Eva – are now on their way to Mars. They set a new CubeSat distance record on May 8. Then Wall-E turned back and grabbed an image of the Earth and moon.

Meet the fastest-growing black hole

Because it sucks in so much gas, this black hole appears ultra-luminous. If it sat at the center of our Milky Way, we’d see it shining 10 times more brightly than a full moon.

Scientists discover a new type of magnetic event

They were working with spacecraft data, using a new technique to analyze it. They found a new type of magnetic event in the realm just beyond the boundary of Earth’s magnetic field.

What is a coronal mass ejection?

Want to brush up on your knowledge about these solar hiccups – CMEs, for short – that can ripple through our solar system and can interrupt satellites and power grids on Earth?

Very close asteroid encounter today

Asteroid 2010 WC9 will pass at about half the moon’s distance, in one of the closest approaches ever observed of an asteroid of this size.

Are there geysers on Europa?

On Monday, scientists announced new evidence suggesting water vapor plumes on Jupiter’s moon Europa. Could we send a spacecraft through one, to test whether Europa’s liquid ocean – buried below its icy crust – might support life?

Is there life in the multiverse?

New research shows that life might be common throughout the multiverse … if there is a multiverse.

Thousands of black holes near Milky Way center?

Astrophysicists found 12 possible black holes near the supermassive black hole at our Milky Way’s heart. They could be the 1st known members of a black hole swarm.