11 long-form space & astronomy essays, written at the density of real CAT passages, each with CAT, XAT and GMAT-style questions and explanations. For real exam passages, practise the solved CAT RC PYQs; for a daily routine, see CAT RC practice.
Dark matter has never been directly observed. We are nonetheless highly confident it exists. The gap between these two facts reveals something important about how science actually works.
A tiny shadow sent astronomers across oceans, empires into competition and science into a new age. The transit of Venus reveals the power of curiosity.
Is Mars colonization humanity's ultimate insurance policy, or a costly distraction from Earth's problems? Explore the backup planet paradox.
What would happen if the Earth stopped spinning? Explore the science, climate chaos, and hidden forces that make life on our planet possible.
As physicists explore the Big Rip, a deeper question emerges. Is gravity merely a force, or the universe's oldest form of connection?
The atoms in your body were born in stars that died before Earth existed. Here is the astonishing story hidden inside every human being.
Why humanity’s search for alien life is really a search for meaning, uniqueness, and our place in a silent universe.
Explore the mystery of black holes, where gravity bends spacetime, light cannot escape, and modern physics confronts the limits of human understanding.
A reflective exploration of whether alien life exists, balancing scientific probability with cosmic silence.
A meditation on the cosmic silence that surrounds us, this essay explores whether humanity is a rare accident or part of a vast, unseen community. It argues that the question of being alone reveals less about the universe and more about the limits of human perception and responsibility.
Observational astronomy shows that by refining how we look, we refine what we can claim to know about the universe.
