By Sakshi Sah
Published May 21, 2025

Hindustan Times
Trending

Photo Credit: NASA

Are we alone in the universe? Mind-blowing NASA facts

NASA is exploring space to find out if life exists beyond Earth.

Photo Credit: NASA

Scientists are only starting to look for life beyond Earth, but early signs are exciting.

Photo Credit: NASA

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There are thousands of planets outside our solar system. Many are like Earth.

Photo Credit: NASA

Our galaxy, the Milky Way, may have over 100 billion planets.

Photo Credit: NASA

Many of these planets are about the same size as Earth and might have water.

Photo Credit: NASA

The "Fermi paradox" asks why we haven’t seen signs of aliens yet, if the galaxy is full of planets.

Photo Credit: NASA

Some planets are in the perfect zone around their stars- not too hot, not too cold- where water could exist.

Photo Credit: NASA

We’ve found thousands of planets. The search for life beyond Earth is just getting started.

Photo Credit: NASA