One of the signals repeated a total of 10 times.

Astronomers detect eight new potential alien signals

Repeat That

Astronomers have reported finding eight new repeating fast radio bursts, potential alien signals, brining the total number of known repeaters up to 10.

Astronomers Detect Eight New Potential Alien Signals

The number of known repeating FRBs just jumped from two to 10.

And an amateur astronomer was able to capture it on camera.

Something enormous just smashed into Jupiter

Big Hit

Jupiter got hit by something so big on Wednesday that a photographer was able to capture the impact using a telescope in his backyard.

Something Enormous Just Smashed Into Jupiter

"I've never seen anything like that before."

Turning Earth Into a Telescope | The Terrascope

Bigger is better with telescopes — and it doesn't get much bigger than this.

Astronomer: We can use Earth's atmosphere as a massive telescope

Meet: The Terrascope

Columbia University's David Kipping thinks we could transform Earth's atmosphere into a planet-sized telescope he'd dubbed the "terrascope."

Astronomer: We Can Use Earth’s Atmosphere as a Massive Telescope

His "terrascope" could transform astronomy.

"We have known for years that these stars explode, but we have terrible ideas of why they explode."

NASA's exoplanet-hunting satellite discovers mysterious supernova

Cosmic Fireworks

NASA's TESS satellite analyzed its first supernova, inadvertently revealing that astronomers made some wrong assumptions about the explosions.

NASA’s Exoplanet-Hunting Satellite Discovers Mysterious Supernova

TESS spotted its first supernova and challenged astronomers' assumptions.

"It was a test of our fortitude. This mountain is like our last stand."

Native Hawaiians protest at new observatory's construction site

Clashing Values

Hundreds of protesters in Hawaii blocked the start of construction on the Thirty Meter Telescope observatory, which would be built over cultural landmarks.

Native Hawaiians Protest at New Observatory’s Construction Site

The Thirty Meter Telescope would be built on a culturally-significant summit.

"...we now finally have the instruments to make direct observations and begin answering questions about how our solar system formed and how other planets might form."

Scientists spot distant gas giant still forming new moons

Celestial Gas Cloud

A team of astronomers just saw for the first time a gas giant planet actively forming new moons out of a cloud of gas and dust.

Scientists Spot Distant Gas Giant Still Forming New Moons

It's the first observation of a Jupiter-like planet actively forming a moon.

"We found that the [radio burst] was located away from the galaxy's core, out in the 'galactic suburbs.'"

Astronomers traced a mysterious radio burst to a distant galaxy

Cosmic Stalker

Astronomers traced a mysterious, fleeting radio burst from space back to the galaxy from which it originated for the first time.

Astronomers Traced a Mysterious Radio Burst to a Distant Galaxy

The signal left home 4 billion years ago.

"...this is a very exciting find, and I hope we will get more observations of this system in the future."

Scientists find the most Earth-like exoplanet ever — and it's nearby

Hello There

A newly-discovered exoplanet called Teegarden b is more similar to Earth than any other world scientists have spotted so far.

Scientists Find the Most Earth-Like Exoplanet Ever — and It’s Nearby

Another Earth?

Understanding the phenomenon could be paramount to keep human settlers on the Moon safe.

Weird flashes keep appearing on the Moon and scientists don't know why

Moon Flashes

Several times a week, short bursts of light appear on the surface of the Moon. Scientists have only been able to guess as to why the phenomenon occurs.

Weird Flashes Keep Appearing on the Moon and Scientists Don’t Know Why

But astronomers have a good guess.

"We can use the atmosphere of the Earth as the detector for these meteors, which are too small to otherwise see."

An interstellar rock like 'Oumuamua may have hit Earth in 2014

Under Attack

Harvard astronomers found evidence that 'Oumuamua isn't the only interstellar visitor we've had in recent years. Others may have crashed into the Earth.

/Astronomy