Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

NASA's Magellan orbiter launched from Florida in 1989 helped scientists discover a vast underground lava tube on Venus in a ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, has been discovered Venus.

Venus has long been known as Earth’s evil twin. While they both are roughly the same size and formed in the same inner region of the solar system, Venus is far less hospitable to life as we know it.

For decades, when people have imagined alien life, their minds have drifted to Mars or distant exoplanets far beyond our solar system. Venus rarely gets a mention, mostly because it seems completely ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

According to a study by researchers at the University of Trento, radar data point to what looks like an enormous lava tube in the Nyx Mons region of Venus. The study, recently published in a ...

Add Yahoo as a preferred source to see more of our stories on Google. The case that Venus is harboring enormous lava tubes continues to build. A recent paper suggests they could measure up to 0.62 ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.