A broken cable at Puerto Rico's Arecibo Observatory has torn a gaping 100-foot hole in the dish of one of the largest radio telescopes in the world, taking the instrument offline until repairs can be made.

Arecibo's massive reflector dish, which is built inside a sinkhole in northern Puerto Rico, was damaged when a 3-inch diameter support cable unexpectedly snapped before dawn on Monday, according to the University of Central Florida, which manages the observatory.

Updated at 6:56 p.m. ET

The Big 12 Conference is moving ahead with its football season, announcing that fall sports will continue – with teams following safety precautions due to the COVID-19 pandemic. The conference hopes to hold its title game in December, as it normally would.

After George Floyd was killed by police in Minneapolis in late May, waves of anguished and outraged Americans took to the streets, to livestreamed city council meetings and to social media to denounce racism.

Protesters called for police reform, defunding or outright abolition; for an end to qualified immunity for officers; for reinvestment in underfunded communities; for schools, companies and communities to address their own complicity in racial inequity.

And they called for Confederate monuments to come down.

Much to the dismay of college sports fans, the coronavirus pandemic has caused the Big Ten and Pac-12 athletic conferences to put their fall sports schedules on hold.

A federal judge in New York struck down a Trump administration decision to scale back U.S. government protections for migratory birds. The change by the administration would have allowed companies that accidentally kill migratory birds during the course of their work no longer to face the possibility of criminal prosecution.

In a 31-page document, U.S. District Judge Valerie Caproni cited the novel To Kill a Mockingbird to support her decision.