Does it ever feel like your world is being swallowed by a giant black hole? Turns out you might be on to something.

Here are six stories in the world of science that caught our attention this week.

New Image Confirms a Black Hole is Swallowing Our Galaxy. New evidence confirms the existence of Sagittarius A*, a black hole long assumed to reside at the center of the Milky Way.

A Stem Cell Transplant Let a Wheelchair-Bound Man Dance Again. A man bound to a wheelchair for 10 years by multiple sclerosis (MS) can now walk and dance following an experimental stem cell transplant.

Report Identifies China as the Source of Ozone-Destroying Emissions. A new report narrows down the source of the emissions that continue to destroy the ozone, despite being banned since 2010.

Tech Billionaires Are Pouring Money Into Fusion Research. A slew of tech billionaires, including Bill Gates and Richard Branson, are determined to make cost-effective nuclear fusion a reality.

Scientists Want Your Help Crafting a Message to Aliens. Scientists want to craft an updated version of the Arecibo Message, a radio communication that marked humanity’s first attempt to talk to aliens.

NASA Scientists Think They Can Extract Rocket Fuel From Martian Soil. NASA is hard at work on a “factory” that would let future Mars missions — or even colonists — extract rocket fuel from Martian soil.

Read More: This Week in Science: Oct 13 – Oct 20

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This Week in Science: Oct 27 – Nov 2