Astronomy

Astronomy

Last gorge for galaxy’s central black hole gauged

Relic light suggests the supermassive black hole at the Milky Way's center was millions of times more active 2 million years ago.

Astronomy

Don’t worry, be grumpy and take nature’s cycles in stride

Astronomy

At last, Voyager 1 slips into interstellar space

Solar blast data provides definitive evidence that Voyager 1 has cruised beyond the heliosphere and into interstellar space.

Astronomy

Radio telescope images reveal nebula’s heart of carbon

ALMA takes detailed look at elements surrounding dying star.

Astronomy

The sun’s older twin, 250 light-years away

Almost twice as ancient, the distant star gives a glimpse of the sun's future.

Astronomy

‘Space beads’ push back origins of iron working

Ancient Egyptians used advanced techniques to make beads out of 'metal from the sky.'

Astronomy

To determine stars’ physical traits, Kepler sees the light

Measuring stellar brightness can yield useful estimates of stars' size and evolutionary stage, and help in the hunt for planets.

Astronomy

Pictures of young star show unusual outbursts

Ejections from stellar newborn move faster and in different directions than astronomers thought.

Space

Belief in multiverse requires exceptional vision

If you can’t see it, it doesn’t exist. That’s an old philosophy, one that many scientists swallowed whole. But as Ziva David of NCIS would say, it’s total salami. After all, you can’t see bacteria and viruses, but they can still kill you. Yet some scientists still invoke that philosophy to deny the scientific status […]

Astronomy

Magnetic field of black hole measured

Pulsar near Milky Way’s center makes first assessment of this type possible.

Astronomy

Milky Way’s black hole pulling in gas cloud

Galaxy's maw begins to tear apart and change the velocity of an approaching object.

Astronomy

The solar system has a tail

Clover-shaped clumps of charged particles extend billions of kilometers in our wake.