Like meteors, space junk travels at vast speeds as it travels through the atmosphere and it begins burning up spectacularly.

(Mars and Venus received a similar fraction ... The cometary impact model included the physics of the dynamics of the comet's breakup and thermal ablation (melting) of the comet's surfaces.

There’s a lot to see in the night sky — the familiar Moon, stars and planets. But there’s the unexpected, too — something ...

There's a blaze of light across the sky! A fireball is seen by thousands, and mobile phone and dashcam footage soon appears ...

NASA believes that the month of May brings visibility to four planets, a new star from a nova, a chance of meteor showers and ...

Was it a Soviet Venus probe? Was it one of Elon Musk’s satellites or rockets? Was it a meteor? Was it a comet? While these objects have some similarities, there are crucial differences that can ...