Our reporters share a compendium of debuts, discoveries and (sometimes overdue) appearances in the paper.

© The New York Times

The conversation celebrated a small, but significant, step in an ambitious plan for missions to the moon and Mars that Mr. Trump had set early in his first term.

© NASA

No president since the Apollo era has pushed harder to return to the moon than President Trump. But he wants a space achievement that is about “more than getting rocks this time.”

© Doug Mills/The New York Times