Venus may have an underground tunnel carved by volcano eruptions

Scientists analyzing decades-old NASA’s Magellan data have identified only the second reported lava tube on Venus.

What Americans lose if their National Center for Atmospheric Research is dismantled

Five ways dismantling NCAR will cost the American people, and two ways to save it.

The way Earth’s surface moves has a bigger impact on shifting the climate than we knew

New research reveals the source of this carbon – and the driving forces behind it – are far more complex than previously thought.

NASA space telescope sees interstellar visitor comet 3I/ATLAS flare up while exiting the solar system

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.

Could a toxic chemical in Mars dirt help us build a Red Planet base?

Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith.

Will a bright comet adorn our early spring sky? Why astronomers are getting excited about Comet C/2026 A1 (MAPS)

A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to belong to a group of comets that in some cases have briefly become outstandingly bright objects.

Sun unleashes colossal X4.2 solar flare, knocking out radio signals across Africa and Europe (video)

An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.

NASA satellite watches January’s polar vortex | Space photo of the day for Feb. 4, 2026

A late January 2026 winter storm left more than snow and ice in its wake.

Is Jupiter on a diet? New measurements say it’s smaller than we thought

Jupiter may be a bit more petite than expected, and that could have a big impact on how scientists model the mysterious interior of the giant planet.

Bleached Martian rocks offer fresh evidence of a wetter and warmer Mars: ‘But where did they come from?

“You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years.”