News at a glance: A particle’s weighty measurement, Marburg in Africa, and a fossil called “the blob”

T. rex may have had lips like a modern lizard’s

Virgin Orbit is again extending its unpaid pause in operations to continue pursuing a lifeline investment, CEO Dan Hart told employees in a company-wide email. Some of the company’s late-stage deal talks, including with private investor Matthew Brown, collapsed over the weekend.

NASA's Uranus Mission Is Running Out of Time