Related topics: dark matter · nasa · galaxies · solar system

Black hole scientist: 'Wherever we look, we should see donuts'

Discovering something for the second time doesn't usually have scientists jump out of their seats with excitement. But that's exactly what happened in the case of Sgr A* (pronounced "sadge-ay-star"), the second black hole ...

Satellites' lasers reveal changes in Earth's water movement

Understanding climate change and its effects on humans, animals, and natural spaces requires studying Earth as a whole, interconnected system. Water movement on Earth, in particular, is a process that affects everything from ...

If Planet 9 is out there, here's where to look

There are eight known planets in the solar system (ever since Pluto was booted from the club), but for a while, there has been some evidence that there might be one more. A hypothetical Planet 9 lurking on the outer edge ...

Image: Hubble views a faraway galaxy through a cosmic lens

The center of this image from the NASA/ESA Hubble Space Telescope is framed by the tell-tale arcs that result from strong gravitational lensing, a striking astronomical phenomenon which can warp, magnify, or even duplicate ...

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