During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image ...

Sky Shorts author says Orion a favorite constellation, and shares key details to find and appreciate its beauty.

From new telescopes going online to another mission to the Moon, NASA has a lot of big changes coming in 2026. Here are some of the most notable ones.

Interstellar comet 3I/ATLAS is tearing across the inner solar system at roughly 130,000 miles per hour, a speed that turns ...

Former Google CEO Eric Schmidt and his wife, Wendy, recently announced that they would finance, out of their own pocket, a ...

The US, China, India, Europe and Japan all have exciting missions on the horizon in 2026. Many of them are collaborative ...

Biological limits A sustainable Mars colony will need to include raising children there, but childbirth would be very risky on Mars. (Courtesy: iStock/Denis Art) “It’s hard to say when exactly sending ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A couple more test flights, and SpaceX plans to launch it into orbit. A month ...

"We're going to do it in three years, and we're going to do it for a ridiculously low price." ...