A NASA X-ray telescope has captured a breathtaking portrait of a supernova remnant, revealing unseen features of the exploded star.

The International Auschwitz Committee (IAK) has called on an auction house in western Germany to cancel its auction of Holocaust artefacts scheduled for Monday. The auction of personal documents belonging to victims of Nazi Germany is considered by Holocaust survivors and their relatives to be a "cynical and shameless undertaking," said IAK executive vice president Christoph Heubner in Berlin on Saturday.

A massive dust storm, or haboob, swept across the Sahara Desert from western Algeria into Mauritania, Morocco, Western Sahara and the Canary Islands on March 30. The dust stretched for more than 1,000 miles. As meteorologists observed the dust storm from space via weather satellites, social media users captured the incoming dust storm on camera....