A smudge of light spotted by the James Webb telescope near Alpha Centauri A could be the planet with the tightest orbit ever ...

NISAR — which stands for NASA-ISRO Synthetic Aperture Radar — will use two radar instruments operating at different ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time ...

It’s yet another indication that we’re in a very unusual time.” Days on Earth have not always been 24-hours long, with rotations during the Bronze Age clocking in at roughly 23 hours.

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Planet Earth is spinning a little faster today — and will spin a little faster one day next month, too. This will technically result in shorter days, but the change will be so minuscule you won ...