NASA’s latest alert about a near‑Earth asteroid has revived a familiar mix of anxiety and curiosity about what would happen if a space rock really were on a collision course with our planet. The ...

Those of us prone to believing in the inevitability of apocalyptic disasters have been a little perturbed by recent claims that NASA is on alert over an asteroid that will fly past Earth on Friday.

NASA scientists are warning that the Sun’s internal engine is behaving in ways they have not seen in years, pointing to an abrupt shift in the star’s magnetic and energetic rhythms that drive space ...

Since Feb 1, the Sun has unleashed a series of powerful solar flares that have triggered warnings from Isro and other space ...