How to “Weigh” Baby Planets

Weighing without using a scale.

Scientists find 121 giant planets that might host habitable moons

There’s a good chance life is thriving on alien moons.

Saturn’s tiny moons? It’s all ravioli and collisions

A story of “crash boom bang” around Saturn, with a pasta topping.

Astronomers discover the fastest-growing black hole we’ve ever known

It’s the hungriest thing we’ve ever seen.

“Exiled” asteroid shouldn’t be where it is

How did it get there?

These NASA researchers think Pluto is planet, but our definitions are ‘bullshit’ — so they want to change them

I’ve never given up on you, Pluto.

Cloud-free exoplanet provides best evidence of sodium in planets outside our solar system so far

A cloudless exoplanet has become a benchmark for astronomers to gauge sodium content in alien worlds.

Salty, subglacial lakes in Canada could be key for studying aliens

This would allow us to gain a new understanding of extraterrestrial life.

NASA and ESA team up to bring Martian soil back home

A great partnership for a great goal.

Flock of 14 colliding galaxies set to become the largest structure in the universe

It’s quite possibly one of the most massive objects in the universe.

China will grow flowers, potatoes, and silkworm on the dark side of the Moon

A Chinese garden on the Moon — it almost sounds too crazy to be true.

Meet TESS — he’ll be finding exoplanets for the next few years

NASA’s future planet hunter has arrived — and it’s set for glory.

This is our Sun, in three different wavelengths

A trio of beautiful, and very useful images.

Hubble snaps amazing photo of Einstein Ring phenomenon

The best kind of ring there is.

Astronomers discover a clump of black holes around our galaxy’s center

For the first time, astronomers have managed to confirm the existence of a black hole population surrounding the core of our galaxy.

X-Rays could sterilise alien planets that would be otherwise habitable

It’s a small chance, but having a small chance of something wiping out all of life on a planet still seems like too much.

Gravitational waves might be created at the centre of most galaxies

Looks like we can expect more gravitational waves in the near future.

Researchers map out the age of the Milky Way’s “heart”

Our galaxy still holds many secrets.

Astronomers use gravity to zoom in on incredibly distant star

A new take on the whole ‘twinkle twinkle’ thing.

Some 70,000 years ago, a rogue star duo whooshed by our solar system — and early humans probably saw it

If you happened to be alive 70,000 years ago, you’d be in for quite a show.