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A dwarf galaxy gives big clues about dark matter
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A dwarf galaxy gives big clues about dark matter

We still don’t what dark matter is, but how it behaves is getting clearer

Philip Plait
Philip Plait
Detecting starships via gravitational waves as their warp bubbles collapse

Detecting starships via gravitational waves as their warp bubbles collapse

Yes, seriously. Also: Me on Penn and Teller’s old TV show debunking stuff.

Philip Plait
Philip Plait
The dinosaur killer asteroid came from deep space, in the outer solar system

The dinosaur killer asteroid came from deep space, in the outer solar system

Ruthenium isotopes reveal the secrets of the Chicxulub impactor

Philip Plait
Philip Plait
Dramatic views of the Moon and Earth as JUICE flies past on its way to Venus

Dramatic views of the Moon and Earth as JUICE flies past on its way to Venus

The final destination is Jupiter, but there are a few stops along the way

Philip Plait
Philip Plait
What’s creating the Moon’s “atmosphere”? Wee little impacts.

What’s creating the Moon’s “atmosphere”? Wee little impacts.

Also: Watch the Moon occult Saturn, and JUICE nears Earth

Philip Plait
Philip Plait
Mars may have an ocean of liquid water… 11 km under its surface

Mars may have an ocean of liquid water… 11 km under its surface

Marsquakes reveal a lot of underground water. Maybe. Plus an EarthSky interview about Gaia.

Philip Plait
Philip Plait
Earth gets JUICEd
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Earth gets JUICEd

The JUICE spacecraft will be passing Earth this week on its way (eventually) to Jupiter

Philip Plait
Philip Plait
Saturn’s getting easier to see, though its rings are not

Saturn’s getting easier to see, though its rings are not

Spotting Saturn in the night sky, plus a quake shifts the Earth in Japan

Philip Plait
Philip Plait
Dark comets may have brought Earth most of its water

Dark comets may have brought Earth most of its water

Also: Live interview today, two planets kiss in the morning, and the Perseid meteor shower

Philip Plait
Philip Plait
Yet another weird exoplanet, and this time it’s a gassy Hot Neptune
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Yet another weird exoplanet, and this time it’s a gassy Hot Neptune

How is it holding on to its air?

Philip Plait
Philip Plait
NASA wants to dump ISS into the ocean. Why not boost it to a higher orbit?

NASA wants to dump ISS into the ocean. Why not boost it to a higher orbit?

Because of orbital mechanics, that’s why.

Philip Plait
Philip Plait
The Moon is the pits!

The Moon is the pits!

The collapsed roof of a lunar lava tube hints at what may become a future astronaut habitat

Philip Plait
Philip Plait
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