Why Webb May Never Be Able to Find Evidence of Life on Another World

The exoplanet K2-18b is generating headlines because researchers announced what could be evidence of life on…

Jupiter’s Atmosphere is a Wild Place

The weather gets a little wild and weird on Jupiter. How wild? Spacecraft instruments have measured…

Mars’s Atmosphere Used to be Thicker. Has Curiosity Found Where it All Went?

By Andy Tomaswick April 22, 2025 Planetary scientists have plenty of theories about Mars and its…

More Evidence that Snow and Water Formed Many of Mars’s Landscapes

Ever since the Mariner probes and Viking missions travelled to Mars, scientists have known that liquid…

First Light from NASA’s New PUNCH Mission

By Andy Tomaswick April 22, 2025 Studying the Sun is becoming increasingly important as more and…

The Sun’s Natural Gravitational Lensing is More Powerful Than You Thought

Let’s turn the sun into a telescope. In fact, we don’t have to do any work…

Check out the most distant known spiral galaxy, aka ‘Torch Dragon’

Astronomers just announced the most distant – and therefore youngest – spiral galaxy yet seen in…

Discovery of a disintegrating planet with cometlike tail

Watch EarthSky’s founder Deborah Byrd interview Marc Hon of MIT, the lead author of the new…

Sunshine on Earth – NASA

The Sun’s glint beams off a partly cloudy Atlantic Ocean just after sunrise as the International…

Sunshine on Earth – NASA

The sun’s glint beams off a partly cloudy Atlantic Ocean just after sunrise as the International…