How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN Cgkik Jul 12, 2026 · 21:24 CST f X ⧉ How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN When you buy through links on our articles, Future and its syndication partners may earn a commission. Related Coverage What's changing about healthcare in 2026 — Medicare, Medicaid, ACA, premiums, and enrollment deadlines Supreme Court case about ‘crisis pregnancy centers’ highlights debate over truthful advertising standards Watch interstellar comet 3I/ATLAS make its closest approach to Earth in free livestream on Dec. 18 EU agrees on agriculture safeguards as fronts harden in Mercosur deal