3I/ATLAS closest to Earth today: Avi Loeb explains what’s unusual

The mysterious object 3I/ATLAS is making its closest pass to Earth today, and astrophysicist Avi Loeb joins us to discuss the latest developments. Loeb highlights several unusual features, including an anti-tail jet pointing toward the sun and a rotation axis also closely aligned with the sun. While he says 3I/ATLAS is most likely a natural object, he emphasizes that it is extremely rare and unlike anything typically observed.

ESA’s Juice spacecraft captures early image of interstellar comet 3I/ATLAS

ESA’s Jupiter Icy Moons Explorer snapped a surprise early view of comet 3I/ATLAS in November, revealing its glowing coma and two faint tails. Full science data from five instruments is expected to arrive on Earth February 2026. | A live look at what happened today, what’s happening now, and what’s coming tonight—no script, just real news.

Astronomers discover mysterious dark object in a distant part of the universe

Astronomers have detected a mysterious dark object in a distant part of the universe, hopefully offering new insight into one of science?s biggest mysteries: dark matter. Dr. Christopher D. Fassnacht, professor of physics and astronomy at the University of California, Davis, joins us to break it down.

World Space Week: Artifacts you can see at Chicago?s Museum of Science and Industry

It?s World Space Week ? the largest space event on Earth! This year?s theme, ?Living in Space,? explores what it takes to live and work beyond our planet. Dr. Voula Saridakis, Head Curator at Chicago?s Museum of Science and Industry, joins us to highlight artifacts at the museum like the Apollo 8 module, the SpaceX Dragon spacecraft, and Chicagoan Mae Jemison?s biofeedback belt.

3I/ATLAS flies past Mars at 200,000 mph | What we hope to learn

A giant space rock from another star system ? 3I/ATLAS ? is flying past Mars at breakneck speed, nearly 200,000 miles per hour. But is it just a rock, or could it be something more? Michelle Nichols from Adler Planetarium joins us to explain what we can learn from the new data.

NASA confirms 6,000 exoplanets ? scientists say we?re entering ?Next Great Chapter of Exploration?

NASA?s tally of alien worlds has just hit 6,000 ? a staggering milestone reached in only three decades of searching beyond our solar system. From gas giants to rocky super-Earths, the discoveries reveal just how diverse the galaxy really is. But one world remains elusive: a true Earth twin. ?We?re entering the next great chapter of exploration,? NASA said, ?to find planets that could support life ? and remind us the universe still holds worlds waiting to be found.?

SpaceX, Crew-11 rocket launch scrubbed over weather; now targeting Friday

NASA and SpaceX have delayed Thursday’s planned launch of the Crew-11 mission to the International Space Station (ISS). The mission will mark the next exciting chapter in their partnership to support long-duration human spaceflight and cutting-edge research in low-Earth orbit.