Previous evidence of water on mars now identified as grainflows

Previous evidence of water on mars now identified as grainflows

Dark features previously proposed as evidence for significant liquid water flowing on Mars have now been identified as granular flows, where sand and dust...
Space dust may transport life between worlds

Space dust may transport life between worlds

Life on our planet might have originated from biological particles brought to Earth in streams of space dust, a study suggests. Fast-moving flows of interplanetary...
First interstellar asteroid is like nothing seen before

First interstellar asteroid is like nothing seen before

For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. On Oct. 19, 2017, the Pan-STARRS...
Moon’s extinct magnetic field lasted surprisingly long

Moon’s extinct magnetic field lasted surprisingly long

The moon’s magnetic field lasted 1 billion to 2.5 billion years longer than once thought. This finding could have important implications for habitability on other...
Surface helium detonation spells end for white dwarf

Violent helium reaction on white dwarf surface triggers supernova explosion

An international team of researchers has found evidence a supernova explosion that was first triggered by a helium detonation, reports a new study in Nature this...
Asteroids don’t hit Earth at regular intervals, as was previously thought

Asteroids don’t hit Earth at regular intervals, as was previously thought

Do mass extinctions, like the fall of the dinosaurs, and the formation of large impact craters on Earth occur together at regular intervals? "This question...
Long-gone lake on Mars resembled those on Earth

Long-gone lake on Mars resembled those on Earth

Information collected during NASA’s Curiosity rover mission suggests that an ancient, long-gone lake on Mars once had chemical and physical properties similar to those...
We’ve found an exoplanet with an extraordinarily eccentric orbit

We’ve found an exoplanet with an extraordinarily eccentric orbit

The discovery of a planet with a highly elliptical orbit around an ancient star could help us understand more about how planetary systems form...
No one has ever seen 2 black holes this close together

No one has ever seen 2 black holes this close together

Approximately 750 million light years from Earth lies a gigantic, bulging galaxy with two supermassive black holes at its center. These are among the largest...
Closest potentially-habitable planet found around “quiet” star

Closest potentially-habitable planet found around “quiet” star

In August of 2016, the European Southern Observatory (ESO) announced the discovery of a terrestrial (i.e. rocky) extra-solar planet orbiting within the habitable zone...
Smallest-ever star discovered by astronomers

Smallest-ever star discovered by astronomers

A star about the size of Saturn – the smallest ever measured – has been identified by astronomers. The smallest star yet measured has been...
Do Stars Fall into Black Holes, or Crash

Do stars fall into black holes, or crash?

Astronomers at The University of Texas at Austin and Harvard University have put a basic principle of black holes to the test, showing that...
Super-Earth planet with lava oceans also has an atmosphere

Super-Earth planet with lava oceans also has an atmosphere

The super-Earth 55 Cancri e (aka. Janssen) is somewhat famous, as exoplanet go. Originally discovered in 2004, this world was one of the few whose...
Dear Elon Musk Your dazzling Mars plan overlooks some big nontechnical hurdles

Elon Musk’s Mars plan overlooks some big nontechnical hurdles

Elon Musk has a plan, and it’s about as audacious as they come. Not content with living on our pale blue dot, Musk and his...
Earth is in the minority among habitable planets

Earth is in the minority among habitable planets

If we want to send spacecraft to exoplanets to search for life, we better get good at building submarines. A new study shows that our assumptions about...

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