Spikes in the number and influence of briefs filed by historians have prompted questions about the role scholars should play in litigation.

© Eric Lee/The New York Times

Speaking at a judicial conference, the justice said that saying too much risked premature judgments, adding that the court had been trying various approaches.

© Haiyun Jiang for The New York Times

The court’s order was the latest in a series of emergency rulings on the scope of the president’s power over independent agencies.

© Kylie Cooper/Reuters