supermassive black hole
Fastest-Growing Black Hole in the Universe Found
The supermassive black hole is a reminder of the violence of the ear…
Some of Kepler's Discovered Planets May Not Exist
A new paper calls into question some of the thousands of planet's NA…
stephen hawking
Hawking's Last Theory of The Universe Published

The famed physicist reworked some of his old ideas.

A Look at the Epic 50-Year Search for E.T.
After a millennia of wondering, humanity can finally search out inte…
How a Star Mapping Satellite Could Find Alien Life

Want to find Dyson spheres? Gaia, a satellite staring at nearly every star in the galaxy, might be able to lend a hand.

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Scientists Discover Almost Completely Black Planet

The dark planet only reflects 1 percent of the light hitting it.

Here Is the Largest Map of Our Galaxy Ever Made

The newly released database contains over a billion stars.

Scientists Are Searching For Our Sun's Stellar Siblings

In a galaxy of billions of stars, finding the ones born alongside our own can be difficult—but scientists finally have a way.

Any Aliens on Super-Earths Would Have a Tough Time Flying to Space

The strong gravity of a larger version of Earth could ground any Super-Earthling rockets.

The Number of Known Alien Worlds Is About to Increase By as Much as 400 Percent

The search for new planets continues with today's launch of NASA's TESS space telescope.

An Ultra-Powerful Flare Erupted From Our Nearest Neighbor Star

Proxima Centauri momentarily lit up in the night sky, which could spell doom for its "habitable" planet.

Researchers Find Evidence of Thousands of Black Holes in the Center of Our Galaxy

New research finds potentially thousands of black holes orbiting within a few light-years of the galactic center.

The 10 Weirdest Stars in the Milky Way

Our galaxy has more than a few tricks up its sleeves.

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Astronomers Use a Quirk of Physics to Spot the Most Distant Star Ever Seen

An event called gravitational lensing allowed astronomers to discern a star 9 billion light-years away.

The Weird Galaxy With No Dark Matter

The strange galaxy is missing the invisible, mysterious matter present in pretty much every other galaxy in the universe.

NASA Astronauts Go Spacewalking Days After Reaching Orbit

They floated out to install new antennas, replace a bad camera and remove jumper cables from a leaky radiator.

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Why the Interstellar Space Rock ‘Oumuamua Is Shaped Like a Cigar

But there's a hell of a lot we still don't know about this wanderer.

Are Brown Dwarfs Planets or Failed Stars?

The dull, gas-giant like entities are the subject of much debate.

Interstellar Asteroid 'Oumuamua Likely Ejected From a Binary Star System
A new study suggests the interstellar space rock would have been more readily thrown out of a binary system than a system with a single…
Astronomers and Physicists Remember the Life and Work of Stephen Hawking

"He dove into the chasm between quantum theory and general relativity and came back with a pearl."

ICRAR galaxy gif
Astronomers Detect First Stars in the Universe, Pointing to Influence of Dark Matter

The discovery tells us more about the early universe and reveals possible clues about the true characteristics of dark matter.

Einstein's Theory of Gravity Is About to Get a Test From a Star Passing by Supermassive Black Hole

Astronomers have been waiting 16 years for the star to pass close to the immense gravity of the black hole Sagittarius A*.

Surprise! Andromeda Isn't Much Bigger Than the Milky Way After All

A recent discovery would upend years of size estimates for our largest galactic neighbor.

exoplanets
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