Asteroid Samples Could ‘Rewrite Solar System’s Chemistry’

One-fifth of an ounce of black spot brought to Earth from an asteroid by a Japanese spacecraft is some of the most pristine parts of a baby solar system ever studied, scientists said on Thursday. This fact should help planetary scientists improve their knowledge of the components in the disk of dust and gas that […]

Regulators aim to rewrite rules for major mergers.

WASHINGTON — Senior federal antitrust officials on Tuesday announced that they are reviewing how they have approved mergers and acquisitions in a broad effort to strengthen enforcement and stem the volatility of corporate consolidation, particularly in high-tech. Federal Trade Commission chair Lina Khan and Justice Department antitrust head Jonathan Kanter said they wanted to rewrite […]