Space and Time Continuum

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This planet may be our best bet yet in the search for Earth 2.0

We may have finally found Earth’s replacement.<p>In an announcement made this week in the journal Astronomy and Astrophysics, scientists hailed Ross 128 …

Exoplanets

NASA's next celestial target needs a name

Space agency is betting on the internet to help.<p>Having delighted the world with its unprecedented and jaw-dropping photos of Pluto in the summer of …

Space Exploration

Scientists uncover mystery of black hole death rays

Microsoft

NASA spots a hot exoplanet that 'snows sunscreen'

Sunscreen

Astronomers may have spied an 'interstellar comet' (and here's why that matters)

For the first time in the history of astronomy, researchers believe they may have tracked a comet that doesn't appear to have originated from within …

Astronomy

What is 'Planet Nine'?

A new planet in our solar system is making its presence known.<p>Many people were disheartened by the demotion of Pluto as a planet, which left only …

Astronomy

Why the neutron star collision is a big deal

Energy from long-ago event is changing the science of astronomy.<p>A long time ago, in a galaxy 130 million light-years away from Earth, two dead stars …

Astrophysics

Are you living in the Matrix? It's impossible, say quantum physicists

Reality can never be perfectly simulated if you take into consideration quantum complexity.<p>It's a question that philosophers have been asking since …

Quantum Mechanics

Parallel worlds exist and interact with our world, say physicists

New theory explains many of the bizarre observations made in quantum mechanics.<p>Quantum mechanics, though firmly tested, is so weird and …

Quantum Mechanics

2 Monster Black Holes Spotted at Galaxy's Heart

These two supermassive black holes are separated by less than 1 light-year and together harbor about 40 million times the mass of the sun, …

In pictures: Astronomy Photographer of the Year 2017

<b>The winning images from this year's competition have now been announced, with Artem Mironov's vibrant clouds of dust and gas in the Rho Ophiuchi Cloud Complex scooping first place.</b><p>Stars and Nebulae<p>Mironov won both the Stars and Nebulae category and the overall award, Insight Astronomy Photographer …

Astronomy

This pitch-black planet eats light for breakfast

The exoplanet, located 1,400 light-years away from Earth, absorbs nearly all light falling into its atmosphere, NASA says.<p>The setting for Hollywood's …

It's time for Cassini's 'spectacular' farewell

The NASA probe has helped us study Saturn and its moons like never before, but after 20 years in space, just one final mission remains.<p>Cassini left …

China is planning to build a replica of Mars

It's raining diamonds on Neptune and Uranus

The outer planets might contain some serious bling.<p>Money might not grow on trees here on Earth, but on Neptune and Uranus, diamonds do fall from the …

Life on Mars: Amazing photos from the Curiosity rover

Planets

A moon the size of Neptune may have been discovered outside our solar system

If confirmed, it would be the first exomoon ever discovered.<p>To date, thousands of exoplanets — planets that orbit other stars — have been discovered, …

Exoplanets

Why Does the Sun Appear Orange?

<b>Why does our sun appear orange? Other stars appear white. Is it because of our oxygen and atmosphere? Does our sun appear white from a</b> …

Astronomy

Surprising new evidence suggests moon's interior might be 'wet'

The exact origin of so much water remains a mystery.<p>Large amounts of water have been found trapped in volcanic deposits across the surface of the …

Planets

What happens when galaxies get too close?

A lot can happen when two galaxies pass in the night.<p>About 500 million light-years from us, two galaxies are zooming by one another at a speed of …

Universe
Astronomy

Discovery of a flat, dead galaxy is changing NASA's outlook

Quantum entanglement transmitted through space

Remarkable achievement could usher in a 'space entanglement race.'<p>Of all the weird, uncanny, anti-intuitive phenomena of quantum mechanics, …

Quantum Mechanics

Houston, we have a space debris problem

Leaving Earth for another planet is going to be a challenge. Sure, there's the matter of building the rocket and launching it, but what do you do …

NASA

How small are we in the scale of the universe? - Alex Hofeldt

YouTube

Third set of gravitational waves detected rippling past Earth

What these waves in the fabric of spacetime can tell us about other dimensions, black holes and gravity.<p>Physicists are pretty comfortable with using …

NASA Is Going To Launch The World's First Mission

In a mission that's been in the works for near 60 years, NASA plans on launching a spacecraft in 2018 that will "touch the sun." The spacecraft is as …

Astronomers Say They Now Have Proof That Nothing Can Escape from a Black Hole

First-time images of Jupiter from Juno spacecraft