"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

Imagine that you’re alive in 1910. The internet doesn’t exist. There is news of a rare comet that will be visible from Earth just at the end of springtime. It sounds spectacular. The comet ...

On March 6, 1986, the Soviet Union's Vega 1 spacecraft flew by Halley's Comet. Vega 1 was the first of five missions to fly by Halley's Comet in the same month. This fleet of spacecraft has been ...

Meanwhile, the Bennu samples revealed comet particles and 20 different types of amino acids. The OSIRIS-REx sample, the largest ever returned to Earth (in ... that may still hit the moon in ...

The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 percent, according to new calculations from NASA. The drop in odds had ...

The asteroid is an object of interest in terms of planetary defense because it is large enough that it would cause localized damage in the unlikely event that it hit Earth, according to NASA.

Renowned astrophysicist Neil deGrasse Tyson warned that a gargantuan asteroid with enough power to level entire cities is on track to hit Earth in 2032. Asteroid 2024 YR4, which was first ...

"Tiny asteroids do hit the Earth all the time, disintegrating in the atmosphere as fireballs; fortunately small ones cause little damage on the ground," said Larry Denneau, an astronomer at ...

An asteroid's chances of hitting the Earth in 2032 have risen again to over 3%. Experts say not to worry for now, as chances the asteroid will miss the Earth stand at nearly 97%. Astronomers now ...

Even though the asteroid is relatively small, a collision with Earth could still cause significant devastation – especially if it were to have a direct hit on a city. If it did collide with ...